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</div> </a> <ul id="toc-Class_800_–_Literature-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Class_900_–_History_and_geography" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Class_900_–_History_and_geography"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Class 900 – History and geography</span> </div> </a> <ul id="toc-Class_900_–_History_and_geography-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div 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class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">List of Dewey Decimal classes</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" 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Available in 9 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-9" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">9 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A1%E0%A6%BF%E0%A6%89%E0%A6%87_%E0%A6%A6%E0%A6%B6%E0%A6%AE%E0%A6%BE%E0%A6%82%E0%A6%B6_%E0%A6%B6%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%A3%E0%A6%BF%E0%A6%B0_%E0%A6%A4%E0%A6%BE%E0%A6%B2%E0%A6%BF%E0%A6%95%E0%A6%BE" title="ডিউই দশমাংশ শ্রেণির তালিকা – Bangla" lang="bn" hreflang="bn" data-title="ডিউই দশমাংশ শ্রেণির তালিকা" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%81%D9%87%D8%B1%D8%B3%D8%AA_%D8%B1%D8%AF%D9%87%E2%80%8C%D8%A8%D9%86%D8%AF%DB%8C_%D8%AF%D9%87%D8%AF%D9%87%DB%8C_%D8%AF%DB%8C%D9%88%D8%A6%DB%8C" title="فهرست رده‌بندی دهدهی دیوئی – Persian" lang="fa" hreflang="fa" data-title="فهرست رده‌بندی دهدهی دیوئی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Liste_des_classes_de_la_Classification_d%C3%A9cimale_de_Dewey" title="Liste des classes de la Classification décimale de Dewey – French" lang="fr" hreflang="fr" data-title="Liste des classes de la Classification décimale de Dewey" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Liosta_na_ranganna_%C3%B3_Aicmi%C3%BAch%C3%A1n_Deach%C3%BAil_Dewey" title="Liosta na ranganna ó Aicmiúchán Deachúil Dewey – Irish" lang="ga" hreflang="ga" data-title="Liosta na ranganna ó Aicmiúchán Deachúil Dewey" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A1%E0%A5%87%E0%A4%B5%E0%A5%80_%E0%A4%A6%E0%A4%B6%E0%A4%AE%E0%A4%B2%E0%A4%B5_%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%97_%E0%A4%B8%E0%A5%82%E0%A4%9A%E0%A5%80" title="डेवी दशमलव वर्ग सूची – Hindi" lang="hi" hreflang="hi" data-title="डेवी दशमलव वर्ग सूची" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-pt badge-Q70893996 mw-list-item" title=""><a href="https://pt.wikipedia.org/wiki/Lista_de_classes_da_Classifica%C3%A7%C3%A3o_Decimal_de_Dewey" title="Lista de classes da Classificação Decimal de Dewey – Portuguese" lang="pt" hreflang="pt" data-title="Lista de classes da Classificação Decimal de Dewey" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A3%E0%B8%B2%E0%B8%A2%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%AB%E0%B8%A1%E0%B8%B9%E0%B9%88%E0%B8%A3%E0%B8%B0%E0%B8%9A%E0%B8%9A%E0%B8%97%E0%B8%A8%E0%B8%99%E0%B8%B4%E0%B8%A2%E0%B8%A1%E0%B8%94%E0%B8%B4%E0%B8%A7%E0%B8%AD%E0%B8%B5%E0%B9%89" title="รายการหมู่ระบบทศนิยมดิวอี้ – Thai" lang="th" hreflang="th" data-title="รายการหมู่ระบบทศนิยมดิวอี้" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%81%DB%81%D8%B1%D8%B3%D8%AA_%D8%B2%D9%85%D8%B1%DB%81_%D8%AC%D8%A7%D8%AA_%DA%88%DB%8C%D9%88%DB%8C_%D8%A7%D8%B9%D8%B4%D8%A7%D8%B1%DB%8C%D8%A7%D8%A6%DB%8C_%D8%AF%D8%B1%D8%AC%DB%81_%D8%A8%D9%86%D8%AF%DB%8C" title="فہرست زمرہ جات ڈیوی اعشاریائی درجہ بندی – Urdu" lang="ur" hreflang="ur" data-title="فہرست زمرہ جات ڈیوی اعشاریائی درجہ بندی" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%9D%9C%E5%A8%81%E5%8D%81%E9%80%B2%E4%BD%8D%E5%9C%96%E6%9B%B8%E5%88%86%E9%A1%9E%E6%B3%95%E5%88%97%E8%A1%A8" title="杜威十進位圖書分類法列表 – Chinese" lang="zh" hreflang="zh" data-title="杜威十進位圖書分類法列表" data-language-autonym="中文" data-language-local-name="Chinese" 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<div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Codes of a library classification system</div> <p>The <a href="/wiki/Dewey_Decimal_Classification" title="Dewey Decimal Classification">Dewey Decimal Classification</a> (DDC) is structured around ten main classes covering the entire world of <a href="/wiki/Knowledge" title="Knowledge">knowledge</a>; each main class is further structured into ten <a href="/wiki/Hierarchy" title="Hierarchy">hierarchical</a> divisions, each having ten divisions of increasing specificity.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> As a system of <a href="/wiki/Library_classification" title="Library classification">library classification</a> the DDC is "arranged by discipline, not subject", so a topic like <a href="/wiki/Clothing" title="Clothing">clothing</a> is classed based on its disciplinary treatment (psychological influence of clothing at 155.95, customs associated with clothing at 391, and fashion design of clothing at 746.92) within the conceptual framework.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The list below presents the ten main classes, hundred divisions, and thousand sections.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Class_000_–_Computer_science,_information,_and_general_works"><span id="Class_000_.E2.80.93_Computer_science.2C_information.2C_and_general_works"></span>Class 000 – Computer science, information, and general works</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=1" title="Edit section: Class 000 – Computer science, information, and general works"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>000 Computer science, knowledge, and systems</b> <ul><li>000 <a href="/wiki/Outline_of_computer_science" title="Outline of computer science">Computer science</a>, information and general works</li> <li>001 <a href="/wiki/Outline_of_knowledge" title="Outline of knowledge">Knowledge</a></li> <li>002 The <a href="/wiki/Book" title="Book">book</a> (writing, libraries, and book-related topics)</li> <li>003 <a href="/wiki/System" title="System">Systems</a></li> <li>004 <a href="/wiki/Data_processing" title="Data processing">Data processing</a> and <a href="/wiki/Computer_science" title="Computer science">computer science</a></li> <li>005 <a href="/wiki/Outline_of_computer_programming" title="Outline of computer programming">Computer programming</a>, <a href="/wiki/Computer_software" class="mw-redirect" title="Computer software">programs</a>, and <a href="/wiki/Data_(computing)" class="mw-redirect" title="Data (computing)">data</a></li> <li>006 Special computer methods (e.g. AI, multimedia, VR)<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></li> <li>007–009 [Unassigned]</li></ul></li> <li><b>010 <a href="/wiki/Bibliography" title="Bibliography">Bibliographies</a></b> <ul><li>010 Bibliography</li> <li>011 Bibliographies</li> <li>012 Bibliographies of individuals</li> <li>013 [Unassigned]</li> <li>014 Bibliographies of <a href="/wiki/Anonymous_work" title="Anonymous work">anonymous</a> and <a href="/wiki/Pseudonym" title="Pseudonym">pseudonymous</a> works</li> <li>015 Bibliographies of works from specific places</li> <li>016 Bibliographies of works on specific subjects</li> <li>017 General subject catalogs</li> <li>018 Catalogs arranged by author, date, etc. [moved to 017]</li> <li>019 <a href="/wiki/Dictionary" title="Dictionary">Dictionary</a> catalogs [moved to 017]</li></ul></li> <li><b>020 <a href="/wiki/Outline_of_library_science" class="mw-redirect" title="Outline of library science">Library and information sciences</a></b> <ul><li>020 Library and information sciences</li> <li>021 Library relationships (with <a href="/wiki/Archive" title="Archive">archives</a>, information centers, etc.)</li> <li>022 Administration of physical plant</li> <li>023 <a href="/wiki/Human_resource_management" title="Human resource management">Personnel management</a></li> <li>024 [Unassigned]</li> <li>025 <a href="/wiki/Library_management" title="Library management">Library operations</a></li> <li>026 Libraries for specific subjects</li> <li>027 General libraries</li> <li>028 <a href="/wiki/Reading" title="Reading">Reading</a> and use of other information media</li> <li>029 [Unassigned]</li></ul></li> <li><b>030 Encyclopedias and books of facts</b> <ul><li>030 General <a href="/wiki/Encyclopedia" title="Encyclopedia">encyclopedic</a> works</li> <li>031 Encyclopedias in <a href="/wiki/American_English" title="American English">American English</a></li> <li>032 Encyclopedias in <a href="/wiki/English_language" title="English language">English</a></li> <li>033 Encyclopedias in other <a href="/wiki/Germanic_languages" title="Germanic languages">Germanic languages</a></li> <li>034 Encyclopedias in <a href="/wiki/French_language" title="French language">French</a>, <a href="/wiki/Occitan_language" title="Occitan language">Occitan</a>, and <a href="/wiki/Catalan_language" title="Catalan language">Catalan</a></li> <li>035 Encyclopedias in <a href="/wiki/Italian_language" title="Italian language">Italian</a>, <a href="/wiki/Romanian_language" title="Romanian language">Romanian</a>, and related languages</li> <li>036 Encyclopedias in <a href="/wiki/Spanish_language" title="Spanish language">Spanish</a> and <a href="/wiki/Portuguese_language" title="Portuguese language">Portuguese</a></li> <li>037 Encyclopedias in <a href="/wiki/Slavic_languages" title="Slavic languages">Slavic languages</a></li> <li>038 Encyclopedias in <a href="/wiki/North_Germanic_languages" title="North Germanic languages">Scandinavian languages</a></li> <li>039 Encyclopedias in other languages</li></ul></li> <li><b>040 Unassigned <i>(formerly <a href="/wiki/Biographies" class="mw-redirect" title="Biographies">Biographies</a>)</i></b></li> <li><b>050 Magazines, journals and serials</b> <ul><li>050 General serial publications</li> <li>051 Serials in American English</li> <li>052 Serials in English</li> <li>053 Serials in other Germanic languages</li> <li>054 Serials in French, Occitan, and Catalan</li> <li>055 Serials in Italian, Romanian, and related languages</li> <li>056 Serials in Spanish and Portuguese</li> <li>057 Serials in Slavic languages</li> <li>058 Serials in Scandinavian languages</li> <li>059 Serials in other languages</li></ul></li> <li><b>060 Associations, organizations and museums</b> <ul><li>060 General organizations and museum science</li> <li>061 Organizations in <a href="/wiki/North_America" title="North America">North America</a></li> <li>062 Organizations in <a href="/wiki/British_Isles" title="British Isles">British Isles</a>; in <a href="/wiki/England" title="England">England</a></li> <li>063 Organizations in <a href="/wiki/Central_Europe" title="Central Europe">central Europe</a>; in <a href="/wiki/Germany" title="Germany">Germany</a></li> <li>064 Organizations in <a href="/wiki/France" title="France">France</a> and <a href="/wiki/Monaco" title="Monaco">Monaco</a></li> <li>065 Organizations in <a href="/wiki/Italy" title="Italy">Italy</a> and adjacent islands</li> <li>066 Organizations in <a href="/wiki/Iberian_Peninsula" title="Iberian Peninsula">Iberian Peninsula</a> and adjacent islands</li> <li>067 Organizations in <a href="/wiki/Eastern_Europe" title="Eastern Europe">eastern Europe</a>; in <a href="/wiki/Russia" title="Russia">Russia</a></li> <li>068 Organizations in other geographic areas</li> <li>069 <a href="/wiki/Museology" title="Museology">Museum science</a></li></ul></li> <li><b>070 <a href="/wiki/News_media" title="News media">News media</a>, <a href="/wiki/Journalism" title="Journalism">journalism</a>, and <a href="/wiki/Publishing" title="Publishing">publishing</a></b> <ul><li>070 News media, journalism, and publishing</li> <li>071 Newspapers in North America</li> <li>072 Newspapers in British Isles; in England</li> <li>073 Newspapers in central Europe; in Germany</li> <li>074 Newspapers in France and Monaco</li> <li>075 Newspapers in Italy and adjacent islands</li> <li>076 Newspapers in Iberian peninsula and adjacent islands</li> <li>077 Newspapers in eastern Europe; in Russia</li> <li>078 Newspapers in Scandinavia</li> <li>079 Newspapers in other geographic areas</li></ul></li> <li><b>080 <a href="/wiki/Quotation" title="Quotation">Quotations</a></b> <ul><li>080 General collections</li> <li>081 Collections in American English</li> <li>082 Collections in English</li> <li>083 Collections in other Germanic languages</li> <li>084 Collections in French, Occitan, Catalan</li> <li>085 Collections in Italian, Romanian, and related languages</li> <li>086 Collections in Spanish and Portuguese</li> <li>087 Collections in Slavic languages</li> <li>088 Collections in Scandinavian languages</li> <li>089 Collections in other languages</li></ul></li> <li><b>090 <a href="/wiki/Manuscript" title="Manuscript">Manuscripts</a> and rare books</b> <ul><li>090 Manuscripts and rare books</li> <li>091 Manuscripts</li> <li>092 <a href="/wiki/Block_book" title="Block book">Block books</a></li> <li>093 <a href="/wiki/Incunabula" class="mw-redirect" title="Incunabula">Incunabula</a></li> <li>094 <a href="/wiki/History_of_books#Printing_press" title="History of books">Printed books</a></li> <li>095 Books notable for <a href="/wiki/Bookbinding" title="Bookbinding">bindings</a></li> <li>096 Books notable for illustrations</li> <li>097 Books notable for ownership or origin</li> <li>098 <a href="/wiki/Book_censorship" title="Book censorship">Prohibited works</a>, <a href="/wiki/Forgery" title="Forgery">forgeries</a>, and <a href="/wiki/Hoax" title="Hoax">hoaxes</a></li> <li>099 Books notable for format</li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_100_–_Philosophy_and_psychology"><span id="Class_100_.E2.80.93_Philosophy_and_psychology"></span>Class 100 – Philosophy and psychology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=2" title="Edit section: Class 100 – Philosophy and psychology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>100 <a href="/wiki/Outline_of_philosophy" title="Outline of philosophy">Philosophy</a></b> <ul><li>100 Philosophy and <a href="/wiki/Psychology" title="Psychology">psychology</a></li> <li>101 Theory of philosophy</li> <li>102 Miscellany</li> <li>103 Dictionaries and encyclopedias</li> <li>104 <i>No longer used — formerly <a href="/wiki/Essay" title="Essay">Essays</a></i></li> <li>105 <a href="/wiki/Serial_(publishing)" title="Serial (publishing)">Serial publications</a></li> <li>106 Organizations and <a href="/wiki/Management" title="Management">management</a></li> <li>107 <a href="/wiki/Education" title="Education">Education</a>, <a href="/wiki/Research" title="Research">research</a>, related topics of philosophy</li> <li>108 Groups of <a href="/wiki/List_of_philosophers" class="mw-redirect" title="List of philosophers">people</a></li> <li>109 <a href="/wiki/History_of_philosophy" title="History of philosophy">History</a> and collected biography</li></ul></li> <li><b>110 <a href="/wiki/Metaphysics" title="Metaphysics">Metaphysics</a></b> <ul><li>110 Metaphysics</li> <li>111 <a href="/wiki/Ontology" title="Ontology">Ontology</a></li> <li>112 <i>No longer used — formerly <a href="/wiki/Methodology" title="Methodology">Methodology</a></i></li> <li>113 <a href="/wiki/Cosmology" title="Cosmology">Cosmology</a> (<a href="/wiki/Philosophy_of_nature" class="mw-redirect" title="Philosophy of nature">Philosophy of nature</a>)</li> <li>114 <a href="/wiki/Philosophy_of_space_and_time" title="Philosophy of space and time">Space</a></li> <li>115 <a href="/wiki/Philosophy_of_space_and_time" title="Philosophy of space and time">Time</a></li> <li>116 Change</li> <li>117 Structure</li> <li>118 <a href="/wiki/Force" title="Force">Force</a> and <a href="/wiki/Energy" title="Energy">energy</a></li> <li>119 Number and quantity</li></ul></li> <li><b>120 <a href="/wiki/Outline_of_epistemology" title="Outline of epistemology">Epistemology</a></b> <ul><li>120 Epistemology, causation, and humankind</li> <li>121 Epistemology (Theory of knowledge)</li> <li>122 Causation</li> <li>123 <a href="/wiki/Determinism" title="Determinism">Determinism</a> and <a href="/wiki/Indeterminism" title="Indeterminism">indeterminism</a></li> <li>124 <a href="/wiki/Teleology" title="Teleology">Teleology</a></li> <li>125 <i>No longer used — formerly <a href="/wiki/Infinity" title="Infinity">Infinity</a></i></li> <li>126 <a href="/wiki/Outline_of_self" title="Outline of self">The self</a></li> <li>127 The unconscious and the subconscious</li> <li>128 <a href="/wiki/Humankind" class="mw-redirect" title="Humankind">Humankind</a></li> <li>129 Origin and destiny of individual <a href="/wiki/Soul" title="Soul">souls</a></li></ul></li> <li><b>130 <a href="/wiki/Parapsychology" title="Parapsychology">Parapsychology</a> and <a href="/wiki/Occultism" class="mw-redirect" title="Occultism">occultism</a></b> <ul><li>130 Parapsychology and occultism</li> <li>131 Parapsychological and occult methods for achieving well-being, happiness, success</li> <li>132 <i>No longer used — formerly "Mental derangements"</i></li> <li>133 Specific topics in parapsychology and occultism</li> <li>134 <i>No longer used — formerly "<a href="/wiki/Mesmerism" class="mw-redirect" title="Mesmerism">Mesmerism</a> and <a href="/wiki/Clairvoyance" title="Clairvoyance">Clairvoyance</a>"</i></li> <li>135 <a href="/wiki/Dream" title="Dream">Dreams</a> and mysteries</li> <li>136 <i>No longer used — formerly "Mental characteristics"</i></li> <li>137 Divinatory <a href="/wiki/Graphology" title="Graphology">graphology</a></li> <li>138 <a href="/wiki/Physiognomy" title="Physiognomy">Physiognomy</a></li> <li>139 <a href="/wiki/Phrenology" title="Phrenology">Phrenology</a></li></ul></li> <li><b>140 <a href="/wiki/Category:Philosophical_schools_and_traditions" title="Category:Philosophical schools and traditions">Philosophical schools of thought</a></b> <ul><li>140 Specific philosophical schools and viewpoints</li> <li>141 <a href="/wiki/Idealism" title="Idealism">Idealism</a> and related systems and doctrines</li> <li>142 <a href="/wiki/Critical_philosophy" title="Critical philosophy">Critical philosophy</a></li> <li>143 <a href="/wiki/Henri_Bergson" title="Henri Bergson">Bergsonism</a> and <a href="/wiki/Intuitionism" title="Intuitionism">intuitionism</a></li> <li>144 <a href="/wiki/Outline_of_humanism" class="mw-redirect" title="Outline of humanism">Humanism</a> and related systems and doctrines</li> <li>145 <a href="/wiki/Sensationalism" title="Sensationalism">Sensationalism</a></li> <li>146 <a href="/wiki/Naturalism_(philosophy)" title="Naturalism (philosophy)">Naturalism</a> and related systems and doctrines</li> <li>147 <a href="/wiki/Pantheism" title="Pantheism">Pantheism</a> and related systems and doctrines</li> <li>148 <a href="/wiki/Dogmatism" class="mw-redirect" title="Dogmatism">Dogmatism</a>, <a href="/wiki/Eclecticism" title="Eclecticism">eclecticism</a>, liberalism, syncretism, and <a href="/wiki/Traditionalist_School" class="mw-redirect" title="Traditionalist School">traditionalism</a></li> <li>149 Other philosophical systems and doctrines</li></ul></li> <li><b>150 <a href="/wiki/Outline_of_psychology" title="Outline of psychology">Psychology</a></b> <ul><li>150 Psychology</li> <li>151 <i>No longer used — formerly "Intellect"</i></li> <li>152 Sensory <a href="/wiki/Perception" title="Perception">perception</a>, <a href="/wiki/Motion_(physics)" class="mw-redirect" title="Motion (physics)">movement</a>, <a href="/wiki/Emotion" title="Emotion">emotions</a>, and physiological drives</li> <li>153 Conscious mental processes and <a href="/wiki/Intelligence" title="Intelligence">intelligence</a></li> <li>154 <a href="/wiki/Subconscious" title="Subconscious">Subconscious</a> and <a href="/wiki/Altered_state_of_consciousness" title="Altered state of consciousness">altered states</a> and processes</li> <li>155 <a href="/wiki/Differential_psychology" title="Differential psychology">Differential</a> and <a href="/wiki/Developmental_psychology" title="Developmental psychology">developmental psychology</a></li> <li>156 <a href="/wiki/Comparative_psychology" title="Comparative psychology">Comparative psychology</a></li> <li>157 <i>No longer used — formerly "<a href="/wiki/Emotion" title="Emotion">Emotions</a>"</i></li> <li>158 <a href="/wiki/Applied_psychology" title="Applied psychology">Applied psychology</a></li> <li>159 <i>No longer used — formerly "Will"</i></li></ul></li> <li><b>160 Philosophical <a href="/wiki/Logic" title="Logic">logic</a></b> <ul><li>160 Philosophical logic</li> <li>161 <a href="/wiki/Inductive_reasoning" title="Inductive reasoning">Induction</a></li> <li>162 <a href="/wiki/Deductive_reasoning" title="Deductive reasoning">Deduction</a></li> <li>163–164 <i>Not assigned or no longer used</i></li> <li>165 <a href="/wiki/Fallacy" title="Fallacy">Fallacies</a> and sources of error</li> <li>166 <a href="/wiki/Syllogism" title="Syllogism">Syllogisms</a></li> <li>167 <a href="/wiki/Hypothesis" title="Hypothesis">Hypotheses</a></li> <li>168 <a href="/wiki/Logical_argument" class="mw-redirect" title="Logical argument">Argument</a> and <a href="/wiki/Persuasion" title="Persuasion">persuasion</a></li> <li>169 <a href="/wiki/Analogy" title="Analogy">Analogy</a></li></ul></li> <li><b>170 <a href="/wiki/Ethics" title="Ethics">Ethics</a></b> <ul><li>170 Ethics (Moral philosophy)</li> <li>171 Ethical systems</li> <li>172 <a href="/wiki/Political_ethics" title="Political ethics">Political ethics</a></li> <li>173 Ethics of <a href="/wiki/Family_relationships" class="mw-redirect" title="Family relationships">family relationships</a></li> <li>174 Occupational ethics</li> <li>175 Ethics of <a href="/wiki/Recreation" title="Recreation">recreation</a>, <a href="/wiki/Leisure" title="Leisure">leisure</a>, public performances, communication</li> <li>176 Ethics of <a href="/wiki/Sex" title="Sex">sex</a> and <a href="/wiki/Reproduction" title="Reproduction">reproduction</a></li> <li>177 Ethics of <a href="/wiki/Social_relations" class="mw-redirect" title="Social relations">social relations</a></li> <li>178 Ethics of <a href="/wiki/Consumption_(economics)" title="Consumption (economics)">consumption</a></li> <li>179 Other ethical norms</li></ul></li> <li><b>180 <a href="/wiki/Ancient_philosophy" title="Ancient philosophy">Ancient</a>, <a href="/wiki/Medieval_philosophy" title="Medieval philosophy">medieval</a>, and <a href="/wiki/Eastern_philosophy" title="Eastern philosophy">Eastern philosophy</a></b> <ul><li>180 Ancient, medieval, eastern philosophy</li> <li>181 Eastern philosophy</li> <li>182 <a href="/wiki/Pre-Socratic_philosophy" title="Pre-Socratic philosophy">Pre-Socratic Greek philosophies</a></li> <li>183 Sophistic, <a href="/wiki/Socrates" title="Socrates">Socratic</a>, related Greek philosophies</li> <li>184 <a href="/wiki/Platonic_philosophy" class="mw-redirect" title="Platonic philosophy">Platonic philosophy</a></li> <li>185 <a href="/wiki/Aristotelian_philosophy" class="mw-redirect" title="Aristotelian philosophy">Aristotelian philosophy</a></li> <li>186 <a href="/wiki/Philosophical_skepticism" title="Philosophical skepticism">Skeptic</a> and <a href="/wiki/Neoplatonism" title="Neoplatonism">Neoplatonic philosophies</a></li> <li>187 <a href="/wiki/Epicureanism" title="Epicureanism">Epicurean philosophy</a></li> <li>188 <a href="/wiki/Stoicism" title="Stoicism">Stoic philosophy</a></li> <li>189 Medieval Western philosophy</li></ul></li> <li><b>190 Modern <a href="/wiki/Western_philosophy" title="Western philosophy">Western philosophy</a></b> (<a href="/wiki/19th-century_philosophy" title="19th-century philosophy">19th-century</a>, <a href="/wiki/20th-century_philosophy" class="mw-redirect" title="20th-century philosophy">20th-century</a>) <ul><li>190 Modern Western and other noneastern philosophy</li> <li>191 <a href="/wiki/American_philosophy#19th_century" title="American philosophy">Philosophy of the United States</a> and <a href="/wiki/Philosophy_in_Canada" title="Philosophy in Canada">Canada</a></li> <li>192 <a href="/wiki/British_philosophy#19th_century" title="British philosophy">Philosophy of the British Isles</a></li> <li>193 <a href="/wiki/German_philosophy#19th_century" title="German philosophy">Philosophy of Germany</a> and <a href="/wiki/Austrian_philosophy" class="mw-redirect" title="Austrian philosophy">Austria</a></li> <li>194 <a href="/wiki/French_philosophy#19th_century" title="French philosophy">Philosophy of France</a></li> <li>195 <a href="/wiki/Italian_philosophy#Modern,_contemporary_and_20th-century_philosophy" title="Italian philosophy">Philosophy of Italy</a></li> <li>196 Philosophy of <a href="/wiki/Spanish_philosophy" title="Spanish philosophy">Spain</a> and Portugal</li> <li>197 <a href="/wiki/Philosophy_in_the_Soviet_Union" title="Philosophy in the Soviet Union">Philosophy of Russia</a></li> <li>198 Philosophy of Scandinavia and Finland</li> <li>199 Philosophy in other geographic areas</li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_200_–_Religion"><span id="Class_200_.E2.80.93_Religion"></span>Class 200 – Religion</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=3" title="Edit section: Class 200 – Religion"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>200 <a href="/wiki/Outline_of_religion" title="Outline of religion">Religion</a></b> <ul><li>200 Religion</li> <li>201 Religious <a href="/wiki/Mythology" class="mw-redirect" title="Mythology">mythology</a>, general classes of religion, <a href="/wiki/Interfaith_dialogue" title="Interfaith dialogue">interreligious relations</a> and attitudes, social theology</li> <li>202 <a href="/wiki/Doctrine" title="Doctrine">Doctrines</a></li> <li>203 Public <a href="/wiki/Worship" title="Worship">worship</a> and other practices</li> <li>204 Religious experience, life, practice</li> <li>205 <a href="/wiki/Ethics_in_religion" title="Ethics in religion">Religious ethics</a></li> <li>206 <a href="/wiki/Clergy" title="Clergy">Leaders</a> and <a href="/wiki/Religious_organization" title="Religious organization">organization</a></li> <li>207 Missions and <a href="/wiki/Religious_education" title="Religious education">religious education</a></li> <li>208 Sources</li> <li>209 <a href="/wiki/Sect" title="Sect">Sects</a> and reform movements</li></ul></li> <li><b>210 Philosophy and theory of religion</b> <ul><li>210 Philosophy and theory of religion</li> <li>211 <a href="/wiki/Conceptions_of_God" title="Conceptions of God">Concepts of God</a></li> <li>212 <a href="/wiki/Existence_of_God" title="Existence of God">Existence</a>, ways of knowing God, attributes of God</li> <li>213 <a href="/wiki/Creation_myth" title="Creation myth">Creation</a></li> <li>214 <a href="/wiki/Theodicy" title="Theodicy">Theodicy</a></li> <li>215 <a href="/wiki/Relationship_between_religion_and_science" title="Relationship between religion and science">Science and religion</a></li> <li>216 <i>No longer used—formerly <a href="/wiki/Evil" title="Evil">Evil</a> </i></li> <li>217 <i>No longer used—formerly <a href="/wiki/Prayer" title="Prayer">Prayer</a></i></li> <li>218 <a href="/wiki/Human" title="Human">Humankind</a></li> <li>219 <i>No longer used—formerly <a href="/wiki/Analogy" title="Analogy">Analogies</a></i></li></ul></li> <li><b>220 The <a href="/wiki/Bible" title="Bible">Bible</a></b> <ul><li>220 Bible</li> <li>221 <a href="/wiki/Old_Testament" title="Old Testament">Old Testament</a> (<a href="/wiki/Hebrew_Bible" title="Hebrew Bible">Tanakh</a>)</li> <li>222 <a href="/wiki/Historical_books" title="Historical books">Historical books</a> of Old Testament</li> <li>223 <a href="/wiki/Poetic_books" class="mw-redirect" title="Poetic books">Poetic books</a> of Old Testament</li> <li>224 <a href="/wiki/Prophetic_books" title="Prophetic books">Prophetic books</a> of Old Testament</li> <li>225 <a href="/wiki/New_Testament" title="New Testament">New Testament</a></li> <li>226 <a href="/wiki/Gospel" title="Gospel">Gospels</a> and <a href="/wiki/Acts_of_the_Apostles" title="Acts of the Apostles">Acts</a></li> <li>227 <a href="/wiki/Epistles" class="mw-redirect" title="Epistles">Epistles</a></li> <li>228 <a href="/wiki/Book_of_Revelation" title="Book of Revelation">Revelation</a> (<a href="/wiki/Apocalypse" title="Apocalypse">Apocalypse</a>)</li> <li>229 <a href="/wiki/Apocrypha" title="Apocrypha">Apocrypha</a>, <a href="/wiki/List_of_Old_Testament_Pseudepigrapha" class="mw-redirect" title="List of Old Testament Pseudepigrapha">pseudepigrapha</a>, and inter-testamental works</li></ul></li> <li><b>230 <a href="/wiki/Christianity" title="Christianity">Christianity</a></b> <ul><li>230 Christianity</li> <li>231 <a href="/wiki/God" title="God">God</a></li> <li>232 <a href="/wiki/Jesus_Christ" class="mw-redirect" title="Jesus Christ">Jesus Christ</a> and his family</li> <li>233 Humankind</li> <li>234 <a href="/wiki/Salvation" title="Salvation">Salvation</a> and <a href="/wiki/Grace_in_Christianity" title="Grace in Christianity">grace</a></li> <li>235 Spiritual beings</li> <li>236 <a href="/wiki/Christian_eschatology" title="Christian eschatology">Eschatology</a></li> <li>237 <i>No longer used—formerly Future state </i></li> <li>238 <a href="/wiki/Creed" title="Creed">Creeds</a>, confessions of faith, <a href="/wiki/Covenant_(religion)" title="Covenant (religion)">covenants</a>, and <a href="/wiki/Catechism" title="Catechism">catechisms</a></li> <li>239 <a href="/wiki/Christian_apologetics" title="Christian apologetics">Apologetics</a> and <a href="/wiki/Polemic" title="Polemic">polemics</a></li></ul></li> <li><b>240 Christian practice and observance</b> <ul><li>240 Christian moral and devotional theology</li> <li>241 <a href="/wiki/Christian_ethics" title="Christian ethics">Christian ethics</a></li> <li>242 <a href="/wiki/Christian_devotional_literature" title="Christian devotional literature">Devotional literature</a></li> <li>243 <a href="/wiki/Evangelism" title="Evangelism">Evangelistic</a> writings for individuals and families</li> <li>244 <i>No longer used—formerly <a href="/wiki/Religious_fiction" class="mw-redirect" title="Religious fiction">Religious fiction</a></i></li> <li>245 <i>No longer used—formerly <a href="/wiki/Hymnology" title="Hymnology">Hymnology</a></i></li> <li>246 Use of <a href="/wiki/Christian_art" title="Christian art">art in Christianity</a></li> <li>247 <a href="/wiki/Church_(building)" title="Church (building)">Church</a> furnishings and related articles</li> <li>248 <a href="/wiki/Christian_worship" title="Christian worship">Christian experience, practice, life</a></li> <li>249 Christian observances in family life</li></ul></li> <li><b>250 Christian <a href="/wiki/Holy_Orders" class="mw-redirect" title="Holy Orders">orders</a></b> and local church <ul><li>250 Local Christian church and Christian religious orders</li> <li>251 Preaching (<a href="/wiki/Homiletics" title="Homiletics">Homiletics</a>)</li> <li>252 Texts of <a href="/wiki/Sermon" title="Sermon">sermons</a></li> <li>253 Pastoral office and work (<a href="/wiki/Pastoral_theology" title="Pastoral theology">Pastoral theology</a>)</li> <li>254 <a href="/wiki/Parish" title="Parish">Parish</a> administration</li> <li>255 <a href="/wiki/Religious_congregation" title="Religious congregation">Religious congregations</a> and orders</li> <li>256 <i>No longer used — formerly Religious societies</i></li> <li>257 <i>No longer used — formerly <a href="/wiki/Parochial_school" title="Parochial school">Parochial schools</a>, libraries, etc.</i></li> <li>258 <i>No longer used — formerly Parochial medicine</i></li> <li>259 Pastoral care of families, of specific groups of people</li></ul></li> <li><b>260 Social and ecclesiastical theology</b> <ul><li>260 Christian social and ecclesiastical theology</li> <li>261 Social theology and interreligious relations and attitudes</li> <li>262 <a href="/wiki/Ecclesiology" title="Ecclesiology">Ecclesiology</a></li> <li>263 Days, times, places of <a href="/wiki/Liturgical_year" title="Liturgical year">religious observance</a></li> <li>264 Public worship</li> <li>265 <a href="/wiki/Sacrament" title="Sacrament">Sacraments</a>, other rites and acts</li> <li>266 <a href="/wiki/Mission_(Christian)" class="mw-redirect" title="Mission (Christian)">Missions</a></li> <li>267 Associations for religious work</li> <li>268 <a href="/wiki/Religious_education" title="Religious education">Religious education</a></li> <li>269 Spiritual renewal</li></ul></li> <li><b>270 History of Christianity</b> <ul><li>270 History, geographic treatment, biography of Christianity</li> <li>271 Religious congregations and orders in church history</li> <li>272 <a href="/wiki/Persecution" title="Persecution">Persecutions</a> in church history</li> <li>273 Doctrinal controversies and <a href="/wiki/Heresy_in_Christianity" title="Heresy in Christianity">heresies in general church history</a></li> <li>274 <a href="/wiki/Christianity_in_Europe" title="Christianity in Europe">Christianity in Europe</a></li> <li>275 <a href="/wiki/Christianity_in_Asia" title="Christianity in Asia">Christianity in Asia</a></li> <li>276 <a href="/wiki/Christianity_in_Africa" title="Christianity in Africa">Christianity in Africa</a></li> <li>277 <a href="/wiki/Category:Christianity_in_North_America" title="Category:Christianity in North America">Christianity in North America</a></li> <li>278 <a href="/wiki/Category:Christianity_in_South_America" title="Category:Christianity in South America">Christianity in South America</a></li> <li>279 History of Christianity in other areas</li></ul></li> <li><b>280 <a href="/wiki/Christian_denomination" title="Christian denomination">Christian denominations</a></b> <ul><li>280 Denominations and sects of Christian church</li> <li>281 <a href="/wiki/Early_Christianity" title="Early Christianity">Early church</a> and <a href="/wiki/Eastern_Christianity" title="Eastern Christianity">Eastern churches</a></li> <li>282 <a href="/wiki/Roman_catholicism" class="mw-redirect" title="Roman catholicism">Roman Catholic</a> Church</li> <li>283 <a href="/wiki/Anglicanism" title="Anglicanism">Anglican</a> churches</li> <li>284 <a href="/wiki/Protestantism" title="Protestantism">Protestant</a> denominations of Continental origin (<a href="/wiki/Lutheranism" title="Lutheranism">Lutheran</a>, <a href="/wiki/Continental_Reformed_Protestantism" title="Continental Reformed Protestantism">Continental Reformed</a>)</li> <li>285 <a href="/wiki/Presbyterianism" title="Presbyterianism">Presbyterian</a> churches, <a href="/wiki/Reformed_Church" class="mw-redirect" title="Reformed Church">Reformed</a> churches centered in America, <a href="/wiki/Congregational_church" class="mw-redirect" title="Congregational church">Congregational</a> churches</li> <li>286 <a href="/wiki/Baptist" class="mw-redirect" title="Baptist">Baptist</a>, <a href="/wiki/Restoration_Movement" title="Restoration Movement">Restoration Movement</a>, <a href="/wiki/Adventism" title="Adventism">Adventist</a> churches</li> <li>287 <a href="/wiki/Methodist" class="mw-redirect" title="Methodist">Methodist</a> churches; churches related to Methodism</li> <li>288 <i>No longer used — formerly <a href="/wiki/Unitarianism" title="Unitarianism">Unitarian</a></i></li> <li>289 Other denominations and sects</li></ul></li> <li><b>290 Other religions</b> <ul><li>290 Other religions</li> <li>291 <i>No longer used — formerly Comparative religion</i></li> <li>292 Classical religion (<a href="/wiki/Ancient_Greek_religion" title="Ancient Greek religion">Greek</a> and <a href="/wiki/Religion_in_ancient_Rome" title="Religion in ancient Rome">Roman religion</a>)</li> <li>293 <a href="/wiki/Germanic_paganism" title="Germanic paganism">Germanic religion</a></li> <li>294 <a href="/wiki/Indian_religion" class="mw-redirect" title="Indian religion">Religions of Indic origin</a></li> <li>295 <a href="/wiki/Zoroastrianism" title="Zoroastrianism">Zoroastrianism</a> (Mazdaism, Parseeism)</li> <li>296 <a href="/wiki/Judaism" title="Judaism">Judaism</a></li> <li>297 <a href="/wiki/Islam" title="Islam">Islam</a>, <a href="/wiki/B%C3%A1bism" title="Bábism">Bábism</a>, and <a href="/wiki/Bah%C3%A1%CA%BC%C3%AD_Faith" title="Baháʼí Faith">Baháʼí Faith</a></li> <li>298 <i>No longer used — formerly <a href="/wiki/Mormonism" title="Mormonism">Mormonism</a></i></li> <li>299 Religions not provided for elsewhere</li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_300_–_Social_sciences"><span id="Class_300_.E2.80.93_Social_sciences"></span>Class 300 – Social sciences</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=4" title="Edit section: Class 300 – Social sciences"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>300 <a href="/wiki/Social_science" title="Social science">Social sciences</a></b>, <a href="/wiki/Sociology" title="Sociology">sociology</a>, and <a href="/wiki/Anthropology" title="Anthropology">anthropology</a> <ul><li>300 Social sciences</li> <li>301 Sociology and anthropology</li> <li>302 <a href="/wiki/Social_interaction" class="mw-redirect" title="Social interaction">Social interaction</a></li> <li>303 Social processes</li> <li>304 Factors affecting social behavior</li> <li>305 <a href="/wiki/Social_group" title="Social group">Groups of people</a></li> <li>306 <a href="/wiki/Culture" title="Culture">Culture</a> and <a href="/wiki/Institution" title="Institution">institutions</a></li> <li>307 <a href="/wiki/Communities" class="mw-redirect" title="Communities">Communities</a></li> <li>308 <i>No longer used — formerly "Polygraphy"</i></li> <li>309 <i>No longer used — formerly "<a href="/wiki/History_of_sociology" title="History of sociology">History of sociology</a>"</i></li></ul></li> <li><b>310 Statistics</b> <ul><li>310 Collections of general statistics</li> <li>311 <i>No longer used — formerly "Theory and methods"</i></li> <li>312 <i>No longer used — formerly "Population"</i></li> <li>313 <i>No longer used — formerly "Special topics"</i></li> <li>314 General statistics of Europe</li> <li>315 General statistics of Asia</li> <li>316 General statistics of Africa</li> <li>317 General statistics of North America</li> <li>318 General statistics of South America</li> <li>319 General statistics of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica</li></ul></li> <li><b>320 <a href="/wiki/Outline_of_political_science" title="Outline of political science">Political science</a></b> <ul><li>320 Political science (Politics and government)</li> <li>321 <a href="/wiki/Form_of_government" class="mw-redirect" title="Form of government">Systems of governments</a> and states</li> <li>322 Relation of <a href="/wiki/Sovereign_state" title="Sovereign state">state</a> to organized groups and their members</li> <li>323 <a href="/wiki/Civil_rights" class="mw-redirect" title="Civil rights">Civil</a> and <a href="/wiki/Political_rights" class="mw-redirect" title="Political rights">political rights</a></li> <li>324 The <a href="/wiki/Politics" title="Politics">political</a> process</li> <li>325 International <a href="/wiki/Human_migration" title="Human migration">migration</a> and <a href="/wiki/Colonisation" class="mw-redirect" title="Colonisation">colonization</a></li> <li>326 <a href="/wiki/Slavery" title="Slavery">Slavery</a> and <a href="/wiki/Political_emancipation" class="mw-redirect" title="Political emancipation">emancipation</a></li> <li>327 <a href="/wiki/International_relations" title="International relations">International relations</a></li> <li>328 The <a href="/wiki/Legislation" title="Legislation">legislative</a> process</li> <li>329 <i>No longer used— formerly "Political Parties"</i></li></ul></li> <li><b>330 <a href="/wiki/Outline_of_economics" title="Outline of economics">Economics</a></b> <ul><li>330 Economics</li> <li>331 <a href="/wiki/Labor_economics" class="mw-redirect" title="Labor economics">Labor economics</a></li> <li>332 <a href="/wiki/Financial_economics" title="Financial economics">Financial economics</a></li> <li>333 <a href="/wiki/Land_economics" class="mw-redirect" title="Land economics">Economics of land</a> and energy</li> <li>334 <a href="/wiki/Cooperative" title="Cooperative">Cooperatives</a></li> <li>335 <a href="/wiki/Socialism" title="Socialism">Socialism</a> and related systems</li> <li>336 <a href="/wiki/Public_finance" title="Public finance">Public finance</a></li> <li>337 <a href="/wiki/International_economics" title="International economics">International economics</a></li> <li>338 <a href="/wiki/Economic_production" class="mw-redirect" title="Economic production">Production</a></li> <li>339 <a href="/wiki/Macroeconomics" title="Macroeconomics">Macroeconomics</a> and related topics</li></ul></li> <li><b>340 <a href="/wiki/Outline_of_law" title="Outline of law">Law</a></b> <ul><li>340 Law</li> <li>341 <a href="/wiki/International_law" title="International law">Law of nations</a></li> <li>342 <a href="/wiki/Constitutional_law" title="Constitutional law">Constitutional</a> and <a href="/wiki/Administrative_law" title="Administrative law">administrative law</a></li> <li>343 <a href="/wiki/Military_law" class="mw-redirect" title="Military law">Military</a>, defense, public property, public finance, <a href="/wiki/Tax_law" title="Tax law">tax</a>, commerce (<a href="/wiki/Trade_law" class="mw-redirect" title="Trade law">trade</a>), <a href="/wiki/Industrial_law" class="mw-redirect" title="Industrial law">industrial law</a></li> <li>344 <a href="/wiki/Labor_law" class="mw-redirect" title="Labor law">Labor</a>, social service, education, cultural law</li> <li>345 <a href="/wiki/Criminal_law" title="Criminal law">Criminal law</a></li> <li>346 <a href="/wiki/Private_law" title="Private law">Private law</a></li> <li>347 <a href="/wiki/Civil_procedure" title="Civil procedure">Procedure</a> and <a href="/wiki/Court" title="Court">courts</a></li> <li>348 <a href="/wiki/Law" title="Law">Laws</a>, <a href="/wiki/Regulation" title="Regulation">regulations</a>, <a href="/wiki/Court_case" class="mw-redirect" title="Court case">cases</a></li> <li>349 <a href="/wiki/Category:Law_by_country" title="Category:Law by country">Law of specific jurisdictions, areas</a>, socioeconomic regions, regional intergovernmental organizations</li></ul></li> <li><b>350 <a href="/wiki/Public_administration" title="Public administration">Public administration</a> and <a href="/wiki/Military_science" title="Military science">military science</a></b> <ul><li>350 Public administration and military science</li> <li>351 Public administration</li> <li>352 General considerations of public administration</li> <li>353 Specific fields of public administration</li> <li>354 Public administration of economy and environment</li> <li>355 <a href="/wiki/Outline_of_military_science_and_technology" title="Outline of military science and technology">Military science</a></li> <li>356 <a href="/wiki/Infantry" title="Infantry">Foot forces</a> and warfare</li> <li>357 <a href="/wiki/Mounted_infantry" title="Mounted infantry">Mounted forces</a> and warfare</li> <li>358 <a href="/wiki/Air_force" title="Air force">Air</a> and other specialized forces and warfare; engineering and related services</li> <li>359 <a href="/wiki/Navy" title="Navy">Sea forces</a> and warfare</li></ul></li> <li><b>360 Social problems and <a href="/wiki/Social_services" title="Social services">social services</a></b> <ul><li>360 Social problems and services; associations</li> <li>361 Social problems and services</li> <li>362 Social problems of and services to groups of people</li> <li>363 Other social problems and services</li> <li>364 <a href="/wiki/Criminology" title="Criminology">Criminology</a></li> <li>365 <a href="/wiki/Penal_system" class="mw-redirect" title="Penal system">Penal</a> and related institutions</li> <li>366 Secret associations and societies</li> <li>367 General <a href="/wiki/Club_(organization)" title="Club (organization)">clubs</a></li> <li>368 <a href="/wiki/Insurance" title="Insurance">Insurance</a></li> <li>369 Associations</li></ul></li> <li><b>370 <a href="/wiki/Outline_of_education" title="Outline of education">Education</a></b> <ul><li>370 Education</li> <li>371 Schools and their activities, <a href="/wiki/Special_education" title="Special education">special education</a></li> <li>372 Primary education (<a href="/wiki/Elementary_education" class="mw-redirect" title="Elementary education">elementary education</a>)</li> <li>373 <a href="/wiki/Secondary_education" title="Secondary education">Secondary education</a></li> <li>374 <a href="/wiki/Adult_education" title="Adult education">Adult education</a></li> <li>375 <a href="/wiki/Curriculum" title="Curriculum">Curriculum</a></li> <li>376 <i>No longer used — formerly "<a href="/wiki/Female_education" title="Female education">Education of women</a>" </i></li> <li>377 <i>No longer used — formerly "Ethical education" </i></li> <li>378 <a href="/wiki/Higher_education" class="mw-redirect" title="Higher education">Higher education</a> (Tertiary education)</li> <li>379 Public policy issues in education</li></ul></li> <li><b>380 <a href="/wiki/Commerce" title="Commerce">Commerce</a>, <a href="/wiki/Outline_of_communication" title="Outline of communication">communications</a> and <a href="/wiki/Outline_of_transport" title="Outline of transport">transportation</a></b> <ul><li>380 Commerce, communications transportation</li> <li>381 Commerce (Trade)</li> <li>382 <a href="/wiki/International_trade" title="International trade">International commerce</a> (Foreign trade)</li> <li>383 <a href="/wiki/Postal_system" class="mw-redirect" title="Postal system">Postal communication</a></li> <li>384 Communications</li> <li>385 <a href="/wiki/Rail_transportation" class="mw-redirect" title="Rail transportation">Railroad transportation</a></li> <li>386 Inland <a href="/wiki/Waterway" title="Waterway">waterway</a> and <a href="/wiki/Ferry" title="Ferry">ferry</a> transportation</li> <li>387 <a href="/wiki/Ship_transport" class="mw-redirect" title="Ship transport">Water</a>, <a href="/wiki/Aviation" title="Aviation">air</a>, <a href="/wiki/Space_transport" class="mw-redirect" title="Space transport">space transportation</a></li> <li>388 Transportation</li> <li>389 <a href="/wiki/Metrology" title="Metrology">Metrology</a> and <a href="/wiki/Standardization" title="Standardization">standardization</a></li></ul></li> <li><b>390 <a href="/wiki/Convention_(norm)" title="Convention (norm)">Customs</a>, <a href="/wiki/Etiquette" title="Etiquette">etiquette</a> and <a href="/wiki/Folklore" title="Folklore">folklore</a></b> <ul><li>390 Customs, etiquette, folklore</li> <li>391 <a href="/wiki/Costume" title="Costume">Costume</a> and <a href="/wiki/Personal_appearance" class="mw-redirect" title="Personal appearance">personal appearance</a></li> <li>392 Customs of life cycle and domestic life</li> <li>393 <a href="/wiki/Funeral" title="Funeral">Death customs</a></li> <li>394 <a href="/wiki/Norm_(sociology)" class="mw-redirect" title="Norm (sociology)">General customs</a></li> <li>395 Etiquette (<a href="/wiki/Manners" class="mw-redirect" title="Manners">Manners</a>)</li> <li>396 <i>No longer used — formerly "Women's position and treatment"</i></li> <li>397 <i>No longer used — formerly "<a href="/wiki/Outcast_(person)" title="Outcast (person)">outcast</a> studies" </i></li> <li>398 <a href="/wiki/Folklore" title="Folklore">Folklore</a></li> <li>399 Customs of war and <a href="/wiki/Diplomacy" title="Diplomacy">diplomacy</a></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_400_–_Language"><span id="Class_400_.E2.80.93_Language"></span>Class 400 – Language</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=5" title="Edit section: Class 400 – Language"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>400 <a href="/wiki/Language" title="Language">Language</a></b> <ul><li>400 Language</li> <li>401 <a href="/wiki/Philosophy_of_language" title="Philosophy of language">Philosophy</a> and theory, international languages</li> <li>402 Miscellany</li> <li>403 <a href="/wiki/Dictionary" title="Dictionary">Dictionaries</a>, <a href="/wiki/Encyclopedia" title="Encyclopedia">encyclopedias</a>, concordances</li> <li>404 Special topics of language</li> <li>405 Serial publications</li> <li>406 Organizations and management</li> <li>407 <a href="/wiki/Language_education" title="Language education">Education</a>, research, related topics</li> <li>408 Groups of people</li> <li>409 Geographic treatment and biography</li></ul></li> <li><b>410 <a href="/wiki/Outline_of_linguistics" title="Outline of linguistics">Linguistics</a></b> <ul><li>410 Linguistics</li> <li>411 <a href="/wiki/Writing_system" title="Writing system">Writing systems</a> of standard forms of languages</li> <li>412 <a href="/wiki/Etymology" title="Etymology">Etymology</a> of standard forms of languages</li> <li>413 <a href="/wiki/Lexicology" title="Lexicology">Dictionaries</a> of standard forms of languages</li> <li>414 <a href="/wiki/Phonology" title="Phonology">Phonology</a> and phonetics of standard forms of languages</li> <li>415 <a href="/wiki/Grammar" title="Grammar">Grammar</a> of standard forms of languages</li> <li>416 <i>No longer used — formerly "<a href="/wiki/Prosody_(linguistics)" title="Prosody (linguistics)">Prosody</a>" </i></li> <li>417 <a href="/wiki/Dialectology" title="Dialectology">Dialectology</a> and <a href="/wiki/Historical_linguistics" title="Historical linguistics">historical linguistics</a></li> <li>418 Standard usage (<a href="/wiki/Linguistic_prescription" title="Linguistic prescription">Prescriptive linguistics</a>)</li> <li>419 <a href="/wiki/Sign_language" title="Sign language">Sign languages</a></li></ul></li> <li><b>420 <a href="/wiki/English_language" title="English language">English</a> and <a href="/wiki/Old_English_language" class="mw-redirect" title="Old English language">Old English</a> languages</b> <ul><li>420 English and <a href="/wiki/Old_English" title="Old English">Old English (Anglo-Saxon)</a></li> <li>421 <a href="/wiki/English_spelling" class="mw-redirect" title="English spelling">Writing system</a>, <a href="/wiki/English_phonology" title="English phonology">phonology</a>, phonetics of standard English</li> <li>422 Etymology of standard English</li> <li>423 Dictionaries of standard English</li> <li>424 <i>No longer used — formerly "English <a href="/wiki/Thesaurus" title="Thesaurus">thesauruses</a>"</i></li> <li>425 <a href="/wiki/English_grammar" title="English grammar">Grammar</a> of standard English</li> <li>426 <i>No longer used — formerly "<a href="/w/index.php?title=English_prosodies&action=edit&redlink=1" class="new" title="English prosodies (page does not exist)">English prosodies</a>"</i></li> <li>427 Historical and geographical variations, modern nongeographic variations of English</li> <li>428 Standard English usage (<a href="/wiki/Prescriptive_linguistics" class="mw-redirect" title="Prescriptive linguistics">Prescriptive linguistics</a>)</li> <li>429 <a href="/wiki/Old_English" title="Old English">Old English</a> (Anglo-Saxon)</li></ul></li> <li><b>430 <a href="/wiki/German_language" title="German language">German</a> and related languages</b> <ul><li>430 German and related languages</li> <li>431 <a href="/wiki/German_orthography" title="German orthography">Writing systems</a>, <a href="/wiki/German_phonology" class="mw-redirect" title="German phonology">phonology</a>, phonetics of standard German</li> <li>432 Etymology of standard German</li> <li>433 Dictionaries of standard German</li> <li>434 <i>Not assigned or no longer used </i></li> <li>435 <a href="/wiki/German_grammar" title="German grammar">Grammar</a> of standard German</li> <li>436 <i>Not assigned or no longer used </i></li> <li>437 Historical and geographic variations, modern nongeographic variations of German</li> <li>438 Standard German usage (Prescriptive linguistics)</li> <li>439 Other Germanic languages</li></ul></li> <li><b>440 <a href="/wiki/French_language" title="French language">French</a> and related languages</b> <ul><li>440 French and related Romance languages</li> <li>441 <a href="/wiki/French_orthography" title="French orthography">Writing systems</a>, <a href="/wiki/French_phonology" title="French phonology">phonology</a>, phonetics of standard French</li> <li>442 Etymology of standard French</li> <li>443 Dictionaries of standard French</li> <li>444 <i>Not assigned or no longer used </i></li> <li>445 <a href="/wiki/French_grammar" title="French grammar">Grammar</a> of standard French</li> <li>446 <i>Not assigned or no longer used </i></li> <li>447 Historical and geographic variations, modern nongeographic variations of French</li> <li>448 Standard French usage (Prescriptive linguistics)</li> <li>449 Occitan <a href="/wiki/Catalan_language" title="Catalan language">Catalan</a>, <a href="/wiki/Proven%C3%A7al_language" class="mw-redirect" title="Provençal language">Franco-Provençal</a></li></ul></li> <li><b>450 <a href="/wiki/Italian_language" title="Italian language">Italian</a>, <a href="/wiki/Romanian_language" title="Romanian language">Romanian</a> and related languages</b> <ul><li>450 Italian, <a href="/wiki/Dalmatian_language" title="Dalmatian language">Dalmatian</a>, Romanian, <a href="/wiki/Rhaetian_language" class="mw-redirect" title="Rhaetian language">Rhaetian</a>, <a href="/wiki/Sardinian_language" title="Sardinian language">Sardinian</a>, <a href="/wiki/Corsican_language" title="Corsican language">Corsican</a></li> <li>451 Writing systems, <a href="/wiki/Italian_phonology" title="Italian phonology">phonology</a>, phonetics of standard Italian</li> <li>452 Etymology of standard Italian</li> <li>453 Dictionaries of standard Italian</li> <li>454 <i>Not assigned or no longer used </i></li> <li>455 <a href="/wiki/Italian_grammar" title="Italian grammar">Grammar</a> of standard Italian</li> <li>456 <i>Not assigned or no longer used </i></li> <li>457 Historical and geographic variations, modern nongeographic variations of Italian</li> <li>458 Standard Italian usage (Prescriptive linguistics)</li> <li>459 Romanian, Rhaetian, Sardinian, Corsican</li></ul></li> <li><b>460 <a href="/wiki/Spanish_language" title="Spanish language">Spanish</a>, <a href="/wiki/Portuguese_language" title="Portuguese language">Portuguese</a>, Galician</b> <ul><li>460 Spanish, Portuguese, Galician</li> <li>461 <a href="/wiki/Spanish_orthography" title="Spanish orthography">Writing systems</a>, <a href="/wiki/Spanish_phonology" title="Spanish phonology">phonology</a>, phonetics of standard Spanish</li> <li>462 Etymology of standard Spanish</li> <li>463 Dictionaries of standard Spanish</li> <li>464 <i>Not assigned or no longer used </i></li> <li>465 <a href="/wiki/Spanish_grammar" title="Spanish grammar">Grammar</a> of standard Spanish</li> <li>466 <i>Not assigned or no longer used </i></li> <li>467 Historical and geographic variations, modern nongeographic variations of Spanish</li> <li>468 Standard Spanish usage (Prescriptive linguistics)</li> <li>469 <a href="/wiki/Portuguese_language" title="Portuguese language">Portuguese</a></li></ul></li> <li><b>470 <a href="/wiki/Latin" title="Latin">Latin</a> and <a href="/wiki/Italic_languages" title="Italic languages">Italic languages</a></b> <ul><li>470 Latin and related Italic languages</li> <li>471 Writing systems, phonology, phonetics of <a href="/wiki/Classical_Latin" title="Classical Latin">classical Latin</a></li> <li>472 Etymology of classical Latin</li> <li>473 Dictionaries of classical Latin</li> <li>474 <i>Not assigned or no longer used </i></li> <li>475 <a href="/wiki/Latin_grammar" title="Latin grammar">Grammar</a> of classical Latin</li> <li>476 <i>Not assigned or no longer used </i></li> <li>477 <a href="/wiki/Old_Latin" title="Old Latin">Old</a>, postclassical, <a href="/wiki/Vulgar_Latin" title="Vulgar Latin">Vulgar Latin</a></li> <li>478 Classical Latin usage (Prescriptive linguistics)</li> <li>479 Other Italic languages</li></ul></li> <li><b>480 Classical and modern <a href="/wiki/Hellenic_languages" title="Hellenic languages">Greek languages</a></b> <ul><li>480 Classical Greek and related Hellenic languages</li> <li>481 Writing systems, <a href="/wiki/Ancient_Greek_phonology" title="Ancient Greek phonology">phonology</a>, phonetics of classical Greek</li> <li>482 Etymology of classical Greek</li> <li>483 Dictionaries of classical Greek</li> <li>484 <i>Not assigned or no longer used </i></li> <li>485 Grammar of classical Greek</li> <li>486 <i>Not assigned or no longer used </i></li> <li>487 <a href="/w/index.php?title=Preclassical_Greek&action=edit&redlink=1" class="new" title="Preclassical Greek (page does not exist)">Preclassical</a> and <a href="/w/index.php?title=Postclassical_Greek&action=edit&redlink=1" class="new" title="Postclassical Greek (page does not exist)">postclassical Greek</a></li> <li>488 Classical Greek usage (Prescriptive linguistics)</li> <li>489 Other Hellenic languages</li></ul></li> <li><b>490 Other languages</b> <ul><li>490 Other languages</li> <li>491 East Indo-European and <a href="/wiki/Celtic_languages" title="Celtic languages">Celtic languages</a></li> <li>492 <a href="/wiki/Afro-Asiatic_languages" class="mw-redirect" title="Afro-Asiatic languages">Afro-Asiatic languages</a></li> <li>493 Non-Semitic Afro-Asiatic languages</li> <li>494 <a href="/wiki/Altaic" class="mw-redirect" title="Altaic">Altaic</a>, <a href="/wiki/Uralic" class="mw-redirect" title="Uralic">Uralic</a>, Hyperborean, <a href="/wiki/Dravidian_languages" title="Dravidian languages">Dravidian languages</a>, miscellaneous languages of south Asia</li> <li>495 Languages of East and Southeast Asia</li> <li>496 <a href="/wiki/Languages_of_Africa" title="Languages of Africa">African languages</a></li> <li>497 <a href="/wiki/Indigenous_languages_of_the_Americas" title="Indigenous languages of the Americas">North American native languages</a></li> <li>498 <a href="/wiki/Indigenous_languages_of_the_Americas" title="Indigenous languages of the Americas">South American native languages</a></li> <li>499 Non-Austronesian languages of Oceania, Austronesian languages, miscellaneous languages</li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_500_–_Science"><span id="Class_500_.E2.80.93_Science"></span>Class 500 – Science</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=6" title="Edit section: Class 500 – Science"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>500 <a href="/wiki/Science" title="Science">Science</a></b> <ul><li>500 <a href="/wiki/Natural_sciences" class="mw-redirect" title="Natural sciences">Natural sciences</a> and mathematics</li> <li>501 Philosophy and theory</li> <li>502 Miscellany</li> <li>503 Dictionaries, <a href="/wiki/Encyclopedia" title="Encyclopedia">encyclopedias</a>, <a href="/wiki/Concordance_(publishing)" title="Concordance (publishing)">concordances</a></li> <li>504 <i>Not assigned or no longer used </i></li> <li>505 Serial publications</li> <li>506 Organizations and management</li> <li>507 Education, research, related topics</li> <li>508 <a href="/wiki/Natural_history" title="Natural history">Natural history</a></li> <li>509 <a href="/wiki/History_of_science" title="History of science">History</a>, <a href="/wiki/Category:Science_and_technology_by_country" title="Category:Science and technology by country">geographic treatment</a>, biography</li></ul></li> <li><b>510 <a href="/wiki/Topic_outline_of_mathematics" class="mw-redirect" title="Topic outline of mathematics">Mathematics</a></b> <ul><li>510 Mathematics</li> <li>511 General principles of mathematics</li> <li>512 <a href="/wiki/Topic_outline_of_algebra" class="mw-redirect" title="Topic outline of algebra">Algebra</a></li> <li>513 <a href="/wiki/Topic_outline_of_arithmetic" class="mw-redirect" title="Topic outline of arithmetic">Arithmetic</a></li> <li>514 <a href="/wiki/Topology" title="Topology">Topology</a></li> <li>515 <a href="/wiki/Mathematical_analysis" title="Mathematical analysis">Analysis</a></li> <li>516 <a href="/wiki/Topic_outline_of_geometry" class="mw-redirect" title="Topic outline of geometry">Geometry</a></li> <li>517 <i>Not assigned or no longer used </i></li> <li>518 <a href="/wiki/Numerical_analysis" title="Numerical analysis">Numerical analysis</a></li> <li>519 <a href="/wiki/Probabilities" class="mw-redirect" title="Probabilities">Probabilities</a> and <a href="/wiki/Applied_mathematics" title="Applied mathematics">applied mathematics</a></li></ul></li> <li><b>520 <a href="/wiki/Outline_of_astronomy" title="Outline of astronomy">Astronomy</a></b> <ul><li>520 <a href="/wiki/Astronomy" title="Astronomy">Astronomy</a> and allied sciences</li> <li>521 <a href="/wiki/Celestial_mechanics" title="Celestial mechanics">Celestial mechanics</a></li> <li>522 Techniques, procedures, apparatus, equipment, materials</li> <li>523 Specific <a href="/wiki/Celestial_bodies" class="mw-redirect" title="Celestial bodies">celestial bodies</a> and phenomena</li> <li>524 <i>Not assigned or no longer used </i></li> <li>525 <a href="/wiki/Earth" title="Earth">Earth</a> (Astronomical geography)</li> <li>526 Mathematical geography</li> <li>527 <a href="/wiki/Celestial_navigation" title="Celestial navigation">Celestial navigation</a></li> <li>528 <a href="/wiki/Ephemerides" class="mw-redirect" title="Ephemerides">Ephemerides</a></li> <li>529 <a href="/wiki/Chronology" title="Chronology">Chronology</a></li></ul></li> <li><b>530 <a href="/wiki/Outline_of_physics" title="Outline of physics">Physics</a></b> <ul><li>530 Physics</li> <li>531 Classical <a href="/wiki/Mechanics" title="Mechanics">mechanics</a></li> <li>532 <a href="/wiki/Fluid_mechanics" title="Fluid mechanics">Fluid mechanics</a></li> <li>533 <a href="/wiki/Pneumatics" title="Pneumatics">Pneumatics</a> (Gas mechanics)</li> <li>534 <a href="/wiki/Sound" title="Sound">Sound</a> and related <a href="/wiki/Vibrations" class="mw-redirect" title="Vibrations">vibrations</a></li> <li>535 <a href="/wiki/Light" title="Light">Light</a> and related radiation</li> <li>536 <a href="/wiki/Heat" title="Heat">Heat</a></li> <li>537 <a href="/wiki/Electricity" title="Electricity">Electricity</a> and <a href="/wiki/Electronics" title="Electronics">electronics</a></li> <li>538 <a href="/wiki/Magnetism" title="Magnetism">Magnetism</a></li> <li>539 <a href="/wiki/Modern_physics" title="Modern physics">Modern physics</a></li></ul></li> <li><b>540 <a href="/wiki/Outline_of_chemistry" title="Outline of chemistry">Chemistry</a></b> <ul><li>540 Chemistry and allied sciences</li> <li>541 <a href="/wiki/Physical_chemistry" title="Physical chemistry">Physical chemistry</a></li> <li>542 Techniques, procedures, apparatus, equipment, materials</li> <li>543 <a href="/wiki/Analytical_chemistry" title="Analytical chemistry">Analytical chemistry</a></li> <li>544 <i>No longer used — formerly "<a href="/wiki/Qualitative_inorganic_analysis" title="Qualitative inorganic analysis">Qualitative analysis</a>"</i></li> <li>545 <i>No longer used — formerly "<a href="/wiki/Quantitative_analysis_(chemistry)" title="Quantitative analysis (chemistry)">Quantitative analysis</a>"</i></li> <li>546 <a href="/wiki/Inorganic_chemistry" title="Inorganic chemistry">Inorganic chemistry</a></li> <li>547 <a href="/wiki/Organic_chemistry" title="Organic chemistry">Organic chemistry</a></li> <li>548 <a href="/wiki/Crystallography" title="Crystallography">Crystallography</a></li> <li>549 <a href="/wiki/Mineralogy" title="Mineralogy">Mineralogy</a></li></ul></li> <li><b>550 <a href="/wiki/Earth_sciences" class="mw-redirect" title="Earth sciences">Earth sciences</a> and <a href="/wiki/Geology" title="Geology">geology</a></b> <ul><li>550 Earth sciences</li> <li>551 <a href="/wiki/Outline_of_geology" title="Outline of geology">Geology</a>, <a href="/wiki/Hydrology" title="Hydrology">hydrology</a>, <a href="/wiki/Meteorology" title="Meteorology">meteorology</a></li> <li>552 <a href="/wiki/Petrology" title="Petrology">Petrology</a></li> <li>553 <a href="/wiki/Economic_geology" title="Economic geology">Economic geology</a></li> <li>554 Earth sciences of Europe</li> <li>555 Earth sciences of Asia</li> <li>556 Earth sciences of Africa</li> <li>557 Earth sciences of North America</li> <li>558 Earth sciences of South America</li> <li>559 Earth sciences of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds</li></ul></li> <li><b>560 <a href="/wiki/Fossil" title="Fossil">Fossils</a> and prehistoric life</b> <ul><li>560 <a href="/wiki/Paleontology" title="Paleontology">Paleontology</a></li> <li>561 <a href="/wiki/Paleobotany" title="Paleobotany">Paleobotany</a>, fossil microorganisms</li> <li>562 Fossil invertebrates</li> <li>563 Miscellaneous fossil marine and seashore invertebrates</li> <li>564 Fossil Mollusca and Molluscoidea</li> <li>565 Fossil Arthropoda</li> <li>566 Fossil Chordata</li> <li>567 Fossil cold-blooded vertebrates</li> <li>568 Fossil Aves (birds)</li> <li>569 Fossil Mammalia</li></ul></li> <li><b>570 <a href="/wiki/Biology" title="Biology">Biology</a></b> <ul><li>570 Biology</li> <li>571 <a href="/wiki/Physiology" title="Physiology">Physiology</a> and related subjects</li> <li>572 <a href="/wiki/Outline_of_biochemistry" title="Outline of biochemistry">Biochemistry</a></li> <li>573 Specific physiological systems in animals, regional histology and physiology in animals</li> <li>574 <i>Not assigned or no longer used</i></li> <li>575 Specific parts of and <a href="/wiki/Plant_physiology" title="Plant physiology">physiological systems in plants</a></li> <li>576 <a href="/wiki/Outline_of_genetics" title="Outline of genetics">Genetics</a> and <a href="/wiki/Evolution" title="Evolution">evolution</a></li> <li>577 <a href="/wiki/Outline_of_ecology" title="Outline of ecology">Ecology</a></li> <li>578 <a href="/wiki/Natural_history" title="Natural history">Natural history</a> of <a href="/wiki/Organism" title="Organism">organisms</a> and related subjects</li> <li>579 Natural history of <a href="/wiki/Microbiology" title="Microbiology">microorganisms</a>, <a href="/wiki/Fungus" title="Fungus">fungi</a>, <a href="/wiki/Algae" title="Algae">algae</a></li></ul></li> <li><b>580 Plants</b> <ul><li>580 Plants</li> <li>581 Specific topics in natural history of <a href="/wiki/Plant" title="Plant">plants</a></li> <li>582 Plants noted for specific vegetative characteristics and <a href="/wiki/Flower" title="Flower">flowers</a></li> <li>583 Magnoliopsida (<a href="/wiki/Dicotyledon" title="Dicotyledon">Dicotyledones</a>)</li> <li>584 Liliopsida (<a href="/wiki/Monocotyledon" title="Monocotyledon">Monocotyledones</a>)</li> <li>585 Pinophyta (<a href="/wiki/Gymnosperm" title="Gymnosperm">Gymnosperms</a>)</li> <li>586 <a href="/wiki/Cryptogams" class="mw-redirect" title="Cryptogams">Cryptogamia</a> (Seedless plants)</li> <li>587 <a href="/wiki/Pteridophyta" class="mw-redirect" title="Pteridophyta">Pteridophyta</a></li> <li>588 <a href="/wiki/Bryophyte" title="Bryophyte">Bryophyta</a></li> <li>589 <i>No longer used—formerly <a href="/wiki/Forestry" title="Forestry">Forestry</a></i></li></ul></li> <li><b>590 <a href="/wiki/Animal" title="Animal">Animals</a> (<a href="/wiki/Zoology" title="Zoology">Zoology</a>)</b> <ul><li>590 Animals</li> <li>591 Specific topics in natural history of animals</li> <li>592 <a href="/wiki/Invertebrate" title="Invertebrate">Invertebrates</a></li> <li>593 Miscellaneous marine and seashore invertebrates</li> <li>594 <a href="/wiki/Mollusc" class="mw-redirect" title="Mollusc">Mollusca</a> and Molluscoidea</li> <li>595 <a href="/wiki/Arthropoda" class="mw-redirect" title="Arthropoda">Arthropoda</a></li> <li>596 <a href="/wiki/Chordata" class="mw-redirect" title="Chordata">Chordata</a></li> <li>597 <a href="/wiki/Ectotherm" title="Ectotherm">Cold-blooded</a> vertebrates</li> <li>598 <a href="/wiki/Bird" title="Bird">Aves</a> (Birds)</li> <li>599 <a href="/wiki/Mammal" title="Mammal">Mammalia</a> (Mammals)</li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_600_–_Technology"><span id="Class_600_.E2.80.93_Technology"></span>Class 600 – Technology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=7" title="Edit section: Class 600 – Technology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>600 <a href="/wiki/Outline_of_technology" title="Outline of technology">Technology</a></b> <ul><li>600 Technology (Applied sciences)</li> <li>601 Philosophy and theory</li> <li>602 Miscellany</li> <li>603 Dictionaries, encyclopedias, concordances</li> <li>604 Technical drawing, hazardous materials technology; groups of people</li> <li>605 Serial publications</li> <li>606 Organizations</li> <li>607 Education, research, related topics</li> <li>608 <a href="/wiki/Patent" title="Patent">Patents</a></li> <li>609 <a href="/wiki/History_of_technology" title="History of technology">History</a>, geographic treatment, biography</li></ul></li> <li><b>610 <a href="/wiki/Outline_of_medicine" title="Outline of medicine">Medicine</a> and <a href="/wiki/Health" title="Health">health</a></b> <ul><li>610 Medicine and health</li> <li>611 <a href="/wiki/Outline_of_human_anatomy" title="Outline of human anatomy">Human anatomy</a>, <a href="/wiki/Cell_biology" title="Cell biology">cytology</a>, <a href="/wiki/Histology" title="Histology">histology</a></li> <li>612 <a href="/wiki/Human_physiology" class="mw-redirect" title="Human physiology">Human physiology</a></li> <li>613 Personal health and safety</li> <li>614 <a href="/wiki/Forensic_medicine" title="Forensic medicine">Forensic medicine</a>; incidence of injuries, wounds, disease; public preventive medicine</li> <li>615 <a href="/wiki/Pharmacology" title="Pharmacology">Pharmacology</a> and <a href="/wiki/Therapeutics" class="mw-redirect" title="Therapeutics">therapeutics</a></li> <li>616 <a href="/wiki/Diseases" class="mw-redirect" title="Diseases">Diseases</a></li> <li>617 <a href="/wiki/Surgery" title="Surgery">Surgery</a>, regional medicine, <a href="/wiki/Dentistry" title="Dentistry">dentistry</a>, <a href="/wiki/Ophthalmology" title="Ophthalmology">ophthalmology</a>, <a href="/wiki/Otology" title="Otology">otology</a>, <a href="/wiki/Audiology" title="Audiology">audiology</a></li> <li>618 <a href="/wiki/Gynecology" class="mw-redirect" title="Gynecology">Gynecology</a>, obstetrics, pediatrics, geriatrics</li> <li>619 <i>No longer used—formerly <a href="/wiki/Experimental_medicine" class="mw-redirect" title="Experimental medicine">Experimental medicine</a></i></li></ul></li> <li><b>620 <a href="/wiki/Outline_of_engineering" title="Outline of engineering">Engineering</a></b> <ul><li>620 Engineering and applied operations</li> <li>621 <a href="/wiki/Applied_physics" title="Applied physics">Applied physics</a></li> <li>622 <a href="/wiki/Outline_of_mining" title="Outline of mining">Mining</a> and related operations</li> <li>623 <a href="/wiki/Military_engineer" class="mw-redirect" title="Military engineer">Military</a> and <a href="/wiki/Nautical_engineering" class="mw-redirect" title="Nautical engineering">nautical engineering</a></li> <li>624 <a href="/wiki/Civil_engineering" title="Civil engineering">Civil engineering</a></li> <li>625 Engineering of <a href="/wiki/Railroad" class="mw-redirect" title="Railroad">railroads</a>, <a href="/wiki/Road" title="Road">roads</a></li> <li>626 <i>Not assigned or no longer used </i></li> <li>627 <a href="/wiki/Hydraulic_engineering" title="Hydraulic engineering">Hydraulic engineering</a></li> <li>628 <a href="/wiki/Sanitary_engineering" title="Sanitary engineering">Sanitary engineering</a></li> <li>629 Other branches of engineering</li></ul></li> <li><b>630 <a href="/wiki/List_of_basic_agriculture_topics" class="mw-redirect" title="List of basic agriculture topics">Agriculture</a></b> <ul><li>630 Agriculture and related technologies</li> <li>631 Specific techniques; apparatus, <a href="/wiki/Category:Agricultural_machinery" title="Category:Agricultural machinery">equipment</a>, materials</li> <li>632 Plant injuries, <a href="/wiki/Category:Plant_pathogens_and_diseases" title="Category:Plant pathogens and diseases">diseases</a>, <a href="/wiki/Pest_(organism)" title="Pest (organism)">pests</a></li> <li>633 <a href="/wiki/Field_(agriculture)" title="Field (agriculture)">Field</a> and <a href="/wiki/Plantation" title="Plantation">plantation</a> <a href="/wiki/Crop" title="Crop">crops</a></li> <li>634 <a href="/wiki/Orchard" title="Orchard">Orchards</a>, <a href="/wiki/Fruit" title="Fruit">fruits</a>, <a href="/wiki/Forestry" title="Forestry">forestry</a></li> <li>635 Garden crops (<a href="/wiki/Horticulture" title="Horticulture">Horticulture</a>)</li> <li>636 <a href="/wiki/Animal_husbandry" title="Animal husbandry">Animal husbandry</a></li> <li>637 Processing <a href="/wiki/Dairy" title="Dairy">dairy</a> and related products</li> <li>638 Insect culture</li> <li>639 <a href="/wiki/Hunting" title="Hunting">Hunting</a>, <a href="/wiki/Fishing" title="Fishing">fishing</a>, <a href="/wiki/Wildlife_conservation" title="Wildlife conservation">conservation</a>, related technologies</li></ul></li> <li><b>640 Home and family management</b> <ul><li>640 Home and family management</li> <li>641 <a href="/wiki/Food" title="Food">Food</a> and <a href="/wiki/Drink" title="Drink">drink</a></li> <li>642 <a href="/wiki/Meal" title="Meal">Meals</a> and table service</li> <li>643 <a href="/wiki/House" title="House">Housing</a> and household equipment</li> <li>644 <a href="/wiki/Household" title="Household">Household</a> utilities</li> <li>645 <a href="/wiki/Furniture" title="Furniture">Household furnishings</a></li> <li>646 <a href="/wiki/Sewing" title="Sewing">Sewing</a>, <a href="/wiki/Clothing" title="Clothing">clothing</a>, management of personal and family life</li> <li>647 <a href="/wiki/Household_management" class="mw-redirect" title="Household management">Management of public households</a> (Institutional housekeeping)</li> <li>648 <a href="/wiki/Household_chore" class="mw-redirect" title="Household chore">Housekeeping</a></li> <li>649 <a href="/wiki/Child_rearing" class="mw-redirect" title="Child rearing">Child rearing</a>; <a href="/wiki/Home_care" title="Home care">home care</a> of people with disabilities and illnesses</li></ul></li> <li><b>650 <a href="/wiki/Management" title="Management">Management</a> and public relations</b> <ul><li>650 Management and auxiliary services</li> <li>651 <a href="/wiki/Office" title="Office">Office</a> services</li> <li>652 Processes of written communication</li> <li>653 <a href="/wiki/Shorthand" title="Shorthand">Shorthand</a></li> <li>654–656 <i>Not assigned or no longer used</i></li> <li>657 <a href="/wiki/Accounting" title="Accounting">Accounting</a></li> <li>658 General management</li> <li>659 <a href="/wiki/Advertising" title="Advertising">Advertising</a> and <a href="/wiki/Public_relations" title="Public relations">public relations</a></li></ul></li> <li><b>660 <a href="/wiki/Chemical_engineering" title="Chemical engineering">Chemical engineering</a></b> <ul><li>660 Chemical engineering and related technologies</li> <li>661 Technology of industrial chemicals</li> <li>662 Technology of <a href="/wiki/Explosives" class="mw-redirect" title="Explosives">explosives</a>, <a href="/wiki/Fuels" class="mw-redirect" title="Fuels">fuels</a>, related products</li> <li>663 Beverage technology</li> <li>664 <a href="/wiki/Food_technology" title="Food technology">Food technology</a></li> <li>665 Technology of industrial <a href="/wiki/Oil" title="Oil">oils</a>, <a href="/wiki/Fat" title="Fat">fats</a>, <a href="/wiki/Wax" title="Wax">waxes</a>, gases</li> <li>666 <a href="/wiki/Ceramic" title="Ceramic">Ceramic</a> and allied technologies</li> <li>667 <a href="/wiki/Washing" title="Washing">Cleaning</a>, <a href="/wiki/Pigment" title="Pigment">color</a>, coating, related technologies</li> <li>668 Technology of other organic products</li> <li>669 <a href="/wiki/Metallurgy" title="Metallurgy">Metallurgy</a></li></ul></li> <li><b>670 <a href="/wiki/Outline_of_manufacturing" title="Outline of manufacturing">Manufacturing</a></b> <ul><li>670 Manufacturing</li> <li>671 <a href="/wiki/Metalworking" title="Metalworking">Metalworking</a> processes and primary metal products</li> <li>672 <a href="/wiki/Iron" title="Iron">Iron</a>, <a href="/wiki/Steel" title="Steel">steel</a>, other <a href="/wiki/Category:Ferrous_alloys" title="Category:Ferrous alloys">iron alloys</a></li> <li>673 Nonferrous <a href="/wiki/Metal" title="Metal">metals</a></li> <li>674 <a href="/wiki/Timber" class="mw-redirect" title="Timber">Lumber</a> processing, <a href="/wiki/Wood" title="Wood">wood</a> products, <a href="/wiki/Cork_(material)" title="Cork (material)">cork</a></li> <li>675 <a href="/wiki/Leather" title="Leather">Leather</a> and <a href="/wiki/Fur" title="Fur">fur</a> processing</li> <li>676 <a href="/wiki/Pulp_and_paper_industry" title="Pulp and paper industry">Pulp and paper technology</a></li> <li>677 <a href="/wiki/Textile" title="Textile">Textiles</a></li> <li>678 <a href="/wiki/Elastomer" title="Elastomer">Elastomers</a> and elastomer products</li> <li>679 Other products of specific kinds of materials</li></ul></li> <li><b>680 Manufacture for specific uses</b> <ul><li>680 Manufacture of products for specific uses</li> <li>681 <a href="/wiki/Measuring_instrument" class="mw-redirect" title="Measuring instrument">Precision instruments</a> and other devices</li> <li>682 Small <a href="/wiki/Forge" title="Forge">forge</a> work (<a href="/wiki/Blacksmith" title="Blacksmith">Blacksmithing</a>)</li> <li>683 <a href="/wiki/Household_hardware" class="mw-redirect" title="Household hardware">Hardware</a> and <a href="/wiki/Category:Home_appliances" title="Category:Home appliances">household appliances</a></li> <li>684 Furnishings and home <a href="/wiki/Workshop" title="Workshop">workshops</a></li> <li>685 Leather and fur goods, and related products</li> <li>686 <a href="/wiki/Printing" title="Printing">Printing</a> and related activities</li> <li>687 <a href="/wiki/Clothing" title="Clothing">Clothing</a> and accessories</li> <li>688 Other final products, and <a href="/wiki/Packaging" title="Packaging">packaging</a> technology</li> <li>689 <i>Not assigned or no longer used </i></li></ul></li> <li><b>690 Construction of <a href="/wiki/Building" title="Building">buildings</a></b> <ul><li>690 Construction of buildings</li> <li>691 Building materials</li> <li>692 Auxiliary construction practices</li> <li>693 Construction in specific types of materials and for specific purposes</li> <li>694 <a href="/wiki/Carpentry" title="Carpentry">Wood construction</a></li> <li>695 <a href="/wiki/Roof" title="Roof">Roof</a> covering</li> <li>696 Utilities</li> <li>697 <a href="/wiki/HVAC" class="mw-redirect" title="HVAC">Heating</a>, <a href="/wiki/Ventilating" class="mw-redirect" title="Ventilating">ventilating</a>, <a href="/wiki/Air-conditioning" class="mw-redirect" title="Air-conditioning">air-conditioning</a> engineering</li> <li>698 Detail finishing</li> <li>699 <i>Not assigned or no longer used</i></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_700_–_Arts_and_recreation"><span id="Class_700_.E2.80.93_Arts_and_recreation"></span>Class 700 – Arts and recreation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=8" title="Edit section: Class 700 – Arts and recreation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>700 <a href="/wiki/Arts" class="mw-redirect" title="Arts">Arts</a></b> <ul><li>700 The Arts</li> <li>701 <a href="/wiki/Philosophy_of_art" class="mw-redirect" title="Philosophy of art">Philosophy</a> and <a href="/wiki/Aesthetics" title="Aesthetics">theory</a> of fine and decorative arts</li> <li>702 Miscellany of fine and decorative arts</li> <li>703 Dictionaries, encyclopedias, concordances of fine and decorative arts</li> <li>704 Special topics in fine and decorative arts</li> <li>705 <a href="/wiki/Category:Visual_arts_magazines" title="Category:Visual arts magazines">Serial publications</a> of fine and decorative arts</li> <li>706 Organizations and management of fine and decorative arts</li> <li>707 Education, research, related topics of fine and decorative arts</li> <li>708 <a href="/wiki/Category:Art_museums_and_galleries" title="Category:Art museums and galleries">Galleries, museums, private collections</a> of fine and decorative arts</li> <li>709 <a href="/wiki/Art_history" title="Art history">History</a>, geographic treatment, biography</li></ul></li> <li><b>710 Area planning and <a href="/wiki/Landscape_art" class="mw-redirect" title="Landscape art">landscape architecture</a></b> <ul><li>710 Area planning and landscape architecture</li> <li>711 <a href="/wiki/Urbanism" title="Urbanism">Area planning</a> (Civic art)</li> <li>712 <a href="/wiki/Landscape_architecture" title="Landscape architecture">Landscape architecture</a> (Landscape design)</li> <li>713 Landscape architecture of trafficways</li> <li>714 <a href="/wiki/Water_feature" title="Water feature">Water features</a> in landscape architecture</li> <li>715 <a href="/wiki/Woody_plant" title="Woody plant">Woody plants</a> in landscape architecture</li> <li>716 <a href="/wiki/Herbaceous_plant" title="Herbaceous plant">Herbaceous plants</a> in landscape architecture</li> <li>717 Structures in landscape architecture</li> <li>718 Landscape design of cemeteries</li> <li>719 Natural <a href="/wiki/Landscape" title="Landscape">landscapes</a></li></ul></li> <li><b>720 <a href="/wiki/Outline_of_architecture" title="Outline of architecture">Architecture</a></b> <ul><li>720 Architecture</li> <li>721 Architectural materials and structural elements</li> <li>722 Architecture from earliest times to <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 300</span></li> <li>723 Architecture from <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 300</span> to 1399</li> <li>724 Architecture from 1400</li> <li>725 Public structures</li> <li>726 <a href="/wiki/Religious_architecture" class="mw-redirect" title="Religious architecture">Buildings for religious and related purposes</a></li> <li>727 Buildings for educational and research purposes</li> <li>728 <a href="/wiki/House" title="House">Residential and related buildings</a></li> <li>729 <a href="/wiki/Design" title="Design">Design</a> and <a href="/wiki/Painter_and_decorator" class="mw-redirect" title="Painter and decorator">decoration</a> of structures and accessories</li></ul></li> <li><b>730 <a href="/wiki/Outline_of_sculpture" title="Outline of sculpture">Sculpture</a>, ceramics and metalwork</b> <ul><li>730 Sculpture and related arts</li> <li>731 Processes, forms, subjects of sculpture</li> <li>732 Sculpture from earliest times to <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 500</span>, sculpture of non-literate peoples</li> <li>733 <a href="/wiki/Classical_sculpture" title="Classical sculpture">Greek, Etruscan, Roman sculpture</a></li> <li>734 Sculpture from ca 500 to 1399</li> <li>735 Sculpture from 1400</li> <li>736 <a href="/wiki/Stone_carving" title="Stone carving">Carving</a> and carvings</li> <li>737 <a href="/wiki/Numismatics" title="Numismatics">Numismatics</a> and <a href="/wiki/Sigillography" title="Sigillography">sigillography</a></li> <li>738 <a href="/wiki/Ceramics_(art)" class="mw-redirect" title="Ceramics (art)">Ceramic arts</a></li> <li>739 Art metalwork</li></ul></li> <li><b>740 Graphic arts and <a href="/wiki/Decorative_art" class="mw-redirect" title="Decorative art">decorative arts</a></b> <ul><li>740 Graphic arts</li> <li>741 Drawing and drawings</li> <li>742 <a href="/wiki/Perspective_(graphical)" title="Perspective (graphical)">Perspective</a> in drawing</li> <li>743 Drawing and drawings by subject</li> <li>744 Communication design and visual design (proposed<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>)</li> <li>745 Decorative arts</li> <li>746 <a href="/wiki/Textile_arts" title="Textile arts">Textile arts</a></li> <li>747 <a href="/wiki/Interior_decoration" class="mw-redirect" title="Interior decoration">Interior decoration</a></li> <li>748 <a href="/wiki/Glass" title="Glass">Glass</a></li> <li>749 <a href="/wiki/Furniture" title="Furniture">Furniture</a> and accessories</li></ul></li> <li><b>750 <a href="/wiki/Painting" title="Painting">Painting</a></b> <ul><li>750 Painting and <a href="/wiki/Category:Paintings" title="Category:Paintings">paintings</a></li> <li>751 Techniques, procedures, apparatus, equipment, materials, forms</li> <li>752 <a href="/wiki/Color" title="Color">Color</a></li> <li>753 <a href="/wiki/Symbol" title="Symbol">Symbolism</a>, <a href="/wiki/Allegory" title="Allegory">allegory</a>, <a href="/wiki/Mythology" class="mw-redirect" title="Mythology">mythology</a>, <a href="/wiki/Legend" title="Legend">legend</a></li> <li>754 <a href="/wiki/Genre_art" title="Genre art">Genre paintings</a></li> <li>755 <a href="/wiki/Iconography" title="Iconography">Religion</a></li> <li>756 <i>Not assigned or no longer used </i></li> <li>757 Human figures</li> <li>758 Nature, architectural subjects and cityscapes, other specific subjects</li> <li>759 <a href="/wiki/History_of_painting" title="History of painting">History</a>, geographic treatment, biography</li></ul></li> <li><b>760 <a href="/wiki/Printmaking" title="Printmaking">Printmaking</a> and prints</b> <ul><li>760 Printmaking and prints</li> <li>761 Relief processes (<a href="/wiki/Block_printing" class="mw-redirect" title="Block printing">Block printing</a>)</li> <li>762 <i>Not assigned or no longer used </i></li> <li>763 <a href="/wiki/Lithography" title="Lithography">Lithographic</a> processes (Planographic processes)</li> <li>764 <a href="/wiki/Chromolithography" title="Chromolithography">Chromolithography</a> and <a href="/wiki/Serigraphy" class="mw-redirect" title="Serigraphy">serigraphy</a></li> <li>765 <a href="/wiki/Metal_engraving" class="mw-redirect" title="Metal engraving">Metal engraving</a></li> <li>766 <a href="/wiki/Mezzotint" title="Mezzotint">Mezzotinting</a>, aquatinting, and related processes</li> <li>767 <a href="/wiki/Etching" title="Etching">Etching</a> and <a href="/wiki/Drypoint" title="Drypoint">drypoint</a></li> <li>768 <i>Not assigned or no longer used </i></li> <li>769 Prints</li></ul></li> <li><b>770 <a href="/wiki/Outline_of_photography" title="Outline of photography">Photography</a>, computer art, film, video</b> <ul><li>770 Photography, computer art, cinematography, videography</li> <li>771 <a href="/wiki/Category:Photographic_techniques" title="Category:Photographic techniques">Techniques</a>, procedures, apparatus, <a href="/wiki/Category:Photography_equipment" title="Category:Photography equipment">equipment</a>, materials</li> <li>772 Metallic salt processes</li> <li>773 Pigment processes of printing</li> <li>774 <i>No longer used—formerly <a href="/wiki/Holography" title="Holography">Holography</a></i></li> <li>775 <i>No longer used—formerly <a href="/wiki/Digital_photography" title="Digital photography">Digital photography</a></i></li> <li>776 <a href="/wiki/Computer_art" title="Computer art">Computer art</a> (Digital art)</li> <li>777 <a href="/wiki/Cinematography" title="Cinematography">Cinematography</a> and <a href="/wiki/Videography" title="Videography">Videography</a></li> <li>778 Specific fields and special kinds of photography</li> <li>779 <a href="/wiki/Category:Photographs" title="Category:Photographs">Photographic images</a></li></ul></li> <li><b>780 <a href="/wiki/Outline_of_music" title="Outline of music">Music</a></b> <ul><li>780 Music</li> <li>781 <a href="/wiki/Music_theory" title="Music theory">General principles</a> and <a href="/wiki/Musical_form" title="Musical form">musical forms</a></li> <li>782 <a href="/wiki/Vocal_music" title="Vocal music">Vocal music</a></li> <li>783 Music for single voices</li> <li>784 <a href="/wiki/Musical_instrument" title="Musical instrument">Instruments</a> and <a href="/wiki/Musical_ensemble" title="Musical ensemble">Instrumental ensembles</a> and their music</li> <li>785 Ensembles with only one instrument per part</li> <li>786 <a href="/wiki/Keyboard_instrument" title="Keyboard instrument">Keyboard</a>, mechanical, electrophonic, percussion instruments</li> <li>787 <a href="/wiki/String_instrument" title="String instrument">Stringed instruments</a> (Chordophones)</li> <li>788 <a href="/wiki/Wind_instrument" title="Wind instrument">Wind instruments</a> (Aerophones)</li> <li>789 <i>Not assigned or no longer used </i></li></ul></li> <li><b>790 <a href="/wiki/Outline_of_sports" title="Outline of sports">Sports</a>, games and entertainment</b> <ul><li>790 Recreational and performing arts</li> <li>791 Public performances</li> <li>792 Stage presentations</li> <li>793 <a href="/wiki/Indoor_games" class="mw-redirect" title="Indoor games">Indoor games</a> and amusements</li> <li>794 Indoor games of skill</li> <li>795 Games of chance</li> <li>796 Athletic and outdoor sports and games</li> <li>797 Aquatic and air sports</li> <li>798 <a href="/wiki/List_of_equestrian_sports" title="List of equestrian sports">Equestrian sports</a> and animal racing</li> <li>799 <a href="/wiki/Fishing" title="Fishing">Fishing</a>, <a href="/wiki/Hunting" title="Hunting">hunting</a>, <a href="/wiki/Shooting" title="Shooting">shooting</a></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_800_–_Literature"><span id="Class_800_.E2.80.93_Literature"></span>Class 800 – Literature</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=9" title="Edit section: Class 800 – Literature"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>800 <a href="/wiki/Outline_of_literature" title="Outline of literature">Literature</a>, <a href="/wiki/Rhetoric" title="Rhetoric">rhetoric</a> and <a href="/wiki/Literary_criticism" title="Literary criticism">criticism</a></b> <ul><li>800 Literature (<a href="/wiki/Belles-lettres" title="Belles-lettres">Belles-lettres</a>) and rhetoric</li> <li>801 Philosophy and theory</li> <li>802 Miscellany</li> <li>803 Dictionaries, encyclopedias, concordances</li> <li>804 <i>Not assigned or no longer used </i></li> <li>805 <a href="/wiki/Literary_magazine" title="Literary magazine">Serial publications</a></li> <li>806 Organizations and management</li> <li>807 Education, research, related topics</li> <li>808 Rhetoric and collections of literary texts from more than two literatures</li> <li>809 <a href="/wiki/History_of_literature" title="History of literature">History</a>, description, critical appraisal of more than two literatures</li></ul></li> <li><b>810 <a href="/wiki/American_literature" title="American literature">American literature</a> in English</b> <ul><li>810 American literature in English</li> <li>811 American <a href="/wiki/Poetry_of_the_United_States" class="mw-redirect" title="Poetry of the United States">poetry</a> in English</li> <li>812 American drama in English</li> <li>813 American fiction in English</li> <li>814 American essays in English</li> <li>815 American speeches in English</li> <li>816 American letters in English</li> <li>817 American humor and satire in English</li> <li>818 American miscellaneous writings in English</li> <li>819 <i>No longer used—formerly Puzzle activities</i></li></ul></li> <li><b>820 <a href="/wiki/English_literature" title="English literature">English</a> and <a href="/wiki/Old_English_literature" title="Old English literature">Old English literatures</a></b> <ul><li>820 English and <a href="/wiki/Old_English_literature" title="Old English literature">Old English (Anglo-Saxon) literatures</a></li> <li>821 English poetry</li> <li>822 <a href="/wiki/English_drama" title="English drama">English drama</a></li> <li>823 English fiction</li> <li>824 English essays</li> <li>825 English speeches</li> <li>826 English letters</li> <li>827 English humor and satire</li> <li>828 English miscellaneous writings</li> <li>829 Old English (Anglo-Saxon) literature</li></ul></li> <li><b>830 <a href="/wiki/German_literature" title="German literature">German</a> and related literatures</b> <ul><li>830 German literature and literatures of related languages</li> <li>831 <a href="/wiki/German_poetry" class="mw-redirect" title="German poetry">German poetry</a></li> <li>832 German drama</li> <li>833 German fiction</li> <li>834 German essays</li> <li>835 German speeches</li> <li>836 German letters</li> <li>837 German humor and satire</li> <li>838 German miscellaneous writings</li> <li>839 Other Germanic literatures</li></ul></li> <li><b>840 French and related literatures</b> <ul><li>840 French literature and literatures of related Romance languages</li> <li>841 <a href="/wiki/French_poetry" title="French poetry">French poetry</a></li> <li>842 French drama</li> <li>843 French fiction</li> <li>844 French essays</li> <li>845 French speeches</li> <li>846 French letters</li> <li>847 French humor and satire</li> <li>848 French miscellaneous writings</li> <li>849 <a href="/wiki/Occitan_literature" title="Occitan literature">Occitan</a>, <a href="/wiki/Catalan_literature" title="Catalan literature">Catalan</a>, Franco-Provençal literatures</li></ul></li> <li><b>850 <a href="/wiki/Italian_literature" title="Italian literature">Italian</a>, <a href="/wiki/Romanian_literature" title="Romanian literature">Romanian</a> and related literatures</b> <ul><li>850 Literatures of Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican languages</li> <li>851 <a href="/wiki/Italian_poetry" title="Italian poetry">Italian poetry</a></li> <li>852 Italian drama</li> <li>853 Italian fiction</li> <li>854 Italian essays</li> <li>855 Italian speeches</li> <li>856 Italian letters</li> <li>857 Italian humor and satire</li> <li>858 Italian miscellaneous writings</li> <li>859 Literatures of Romanian, Rhaetian, Sardinian, Corsican languages</li></ul></li> <li><b>860 <a href="/wiki/Spanish_literature" title="Spanish literature">Spanish</a>, <a href="/wiki/Portuguese_literature" title="Portuguese literature">Portuguese</a>, Galician literatures</b> <ul><li>860 Literatures of Spanish, Portuguese, Galician languages</li> <li>861 <a href="/wiki/Spanish_poetry" title="Spanish poetry">Spanish poetry</a></li> <li>862 Spanish drama</li> <li>863 Spanish fiction</li> <li>864 Spanish essays</li> <li>865 Spanish speeches</li> <li>866 Spanish letters</li> <li>867 Spanish humor and satire</li> <li>868 Spanish miscellaneous writings</li> <li>869 Literatures of Portuguese and Galician languages</li></ul></li> <li><b>870 <a href="/wiki/Latin_literature" title="Latin literature">Latin</a> and Italic literatures</b> <ul><li>870 Latin literature and literatures of related Italic languages</li> <li>871 <a href="/wiki/Latin_poetry" title="Latin poetry">Latin poetry</a></li> <li>872 Latin dramatic poetry and drama</li> <li>873 Latin epic poetry and fiction</li> <li>874 Latin lyric poetry</li> <li>875 Latin speeches</li> <li>876 Latin letters</li> <li>877 Latin humor and satire</li> <li>878 Latin miscellaneous writings</li> <li>879 Literatures of other Italic languages</li></ul></li> <li><b>880 Classical and modern Greek literatures</b> <ul><li>880 Classical Greek literature and literatures of related Hellenic languages</li> <li>881 Classical Greek poetry</li> <li>882 Classical Greek drama</li> <li>883 Classical Greek epic poetry and fiction</li> <li>884 Classical Greek lyric poetry</li> <li>885 Classical Greek speeches</li> <li>886 Classical Greek letters</li> <li>887 Classical Greek humor and satire</li> <li>888 Classical Greek miscellaneous writings</li> <li>889 <a href="/wiki/Modern_Greek_literature" title="Modern Greek literature">Modern Greek literature</a></li></ul></li> <li><b>890 Other literatures</b> <ul><li>890 Literatures of other specific languages and language families</li> <li>891 East Indo-European and <a href="/wiki/Celtic_literature" title="Celtic literature">Celtic</a> literatures</li> <li>892 <a href="/wiki/Afro-Asiatic_languages" class="mw-redirect" title="Afro-Asiatic languages">Afro-Asiatic</a> literatures</li> <li>893 Non-Semitic Afro-Asiatic literatures</li> <li>894 Literatures of Altaic, Uralic, Hyperborean, <a href="/wiki/Dravidian_peoples" title="Dravidian peoples">Dravidian</a> languages; literatures of miscellaneous languages of South Asia</li> <li>895 Literatures of East and Southeast Asia</li> <li>896 African literatures</li> <li>897 Literatures of North American native languages</li> <li>898 Literatures of South American native languages</li> <li>899 Literatures of non-Austronesian languages of Oceania, of Austronesian languages, of miscellaneous languages</li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Class_900_–_History_and_geography"><span id="Class_900_.E2.80.93_History_and_geography"></span>Class 900 – History and geography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=10" title="Edit section: Class 900 – History and geography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>900 <a href="/wiki/Outline_of_history" title="Outline of history">History</a></b> <ul><li>900 History, geography, and auxiliary disciplines</li> <li>901 Philosophy and theory of history</li> <li>902 Miscellany of history</li> <li>903 Dictionaries, encyclopedias, concordances of history</li> <li>904 Collected accounts of events</li> <li>905 Serial publications of history</li> <li>906 Organizations and management of history</li> <li>907 Education, research, related topics of history</li> <li>908 History with respect to groups of people</li> <li>909 <a href="/wiki/World_history_(field)" title="World history (field)">World history</a></li></ul></li> <li><b>910 <a href="/wiki/Geography" title="Geography">Geography</a> and <a href="/wiki/Travel" title="Travel">travel</a></b> <ul><li>910 Geography and travel</li> <li>911 <a href="/wiki/Historical_geography" title="Historical geography">Historical geography</a></li> <li>912 <a href="/wiki/Map" title="Map">Graphic representations of surface of Earth</a> and of extraterrestrial worlds</li> <li>913 Geography of and travel in the <a href="/wiki/Ancient_world" class="mw-redirect" title="Ancient world">ancient world</a></li> <li>914 Geography of and travel in <a href="/wiki/Outline_of_Europe" title="Outline of Europe">Europe</a></li> <li>915 Geography of and travel in <a href="/wiki/Outline_of_Asia" title="Outline of Asia">Asia</a></li> <li>916 Geography of and travel in <a href="/wiki/Outline_of_Africa" title="Outline of Africa">Africa</a></li> <li>917 Geography of and travel in <a href="/wiki/Outline_of_North_America" title="Outline of North America">North America</a></li> <li>918 Geography of and travel in <a href="/wiki/Outline_of_South_America" title="Outline of South America">South America</a></li> <li>919 Geography of and travel in Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, and on extraterrestrial worlds</li></ul></li> <li><b>920 <a href="/wiki/Biography" title="Biography">Biography</a> and <a href="/wiki/Genealogy" title="Genealogy">genealogy</a></b> <ul><li>920 Biography, genealogy, insignia</li> <li>921–928 This range is reserved as an optional location for biographies, which are shelved alphabetically by subject's last name.</li> <li>929 Genealogy, <a href="/wiki/Name" title="Name">names</a>, insignia</li></ul></li> <li><b>930 <a href="/wiki/Ancient_history" title="Ancient history">History of ancient world (to <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 499</span>)</a></b> <ul><li>930 History of ancient world to <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 499</span></li> <li>931 <a href="/wiki/History_of_China#Ancient_China" title="History of China">China</a> to <a href="/wiki/History_of_the_Jin_dynasty_(266%E2%80%93420)" title="History of the Jin dynasty (266–420)">420</a></li> <li>932 <a href="/wiki/Ancient_Egypt" title="Ancient Egypt">Egypt</a> to <a href="/wiki/Sasanian_Egypt" title="Sasanian Egypt">640</a></li> <li>933 <a href="/wiki/History_of_Palestine" title="History of Palestine">Palestine</a> to <a href="/wiki/Siege_of_Jerusalem_(70_CE)" title="Siege of Jerusalem (70 CE)">70</a></li> <li>934 <a href="/wiki/History_of_South_Asia" class="mw-redirect" title="History of South Asia">South Asia</a> to 647</li> <li>935 <a href="/wiki/History_of_Mesopotamia" title="History of Mesopotamia">Mesopotamia</a> and <a href="/wiki/History_of_Iran" title="History of Iran">Iranian Plateau</a> to <a href="/wiki/Early_Muslim_conquests" title="Early Muslim conquests">637</a></li> <li>936 <a href="/wiki/Prehistoric_Europe" title="Prehistoric Europe">Europe north and west of Italian Peninsula</a> to <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 499</span></li> <li>937 <a href="/wiki/Western_Roman_Empire" title="Western Roman Empire">Italy and adjacent territories</a> to <a href="/wiki/Fall_of_the_Western_Roman_Empire" title="Fall of the Western Roman Empire">476</a></li> <li>938 <a href="/wiki/Ancient_Greece" title="Ancient Greece">Greece</a> to 323</li> <li>939 Other parts of ancient world</li></ul></li> <li><b> 940 <a href="/wiki/History_of_Europe" title="History of Europe">History of Europe</a></b> <ul><li>940 History of Europe</li> <li>941 <a href="/wiki/History_of_the_British_Isles" title="History of the British Isles">British Isles</a></li> <li>942 <a href="/wiki/History_of_England" title="History of England">England</a> and <a href="/wiki/History_of_Wales" title="History of Wales">Wales</a></li> <li>943 <a href="/wiki/History_of_Germany" title="History of Germany">Germany</a> and neighboring <a href="/wiki/Central_Europe" title="Central Europe">central European countries</a></li> <li>944 <a href="/wiki/History_of_France" title="History of France">France</a> and <a href="/wiki/History_of_Monaco" title="History of Monaco">Monaco</a></li> <li>945 <a href="/wiki/History_of_Italy" title="History of Italy">Italy</a>, San Marino, Vatican City, Malta</li> <li>946 <a href="/wiki/History_of_Spain" title="History of Spain">Spain</a>, Andorra, Gibraltar, <a href="/wiki/History_of_Portugal" title="History of Portugal">Portugal</a></li> <li>947 <a href="/wiki/History_of_Russia" title="History of Russia">Russia</a> and <a href="/wiki/Post-Soviet_states" title="Post-Soviet states">neighboring east European countries</a></li> <li>948 <a href="/wiki/History_of_Scandinavia" title="History of Scandinavia">Scandinavia</a></li> <li>949 Other parts of Europe</li></ul></li> <li><b>950 <a href="/wiki/History_of_Asia" title="History of Asia">History of Asia</a></b> <ul><li>950 History of Asia</li> <li>951 <a href="/wiki/History_of_China" title="History of China">China</a> and adjacent areas</li> <li>952 <a href="/wiki/History_of_Japan" title="History of Japan">Japan</a></li> <li>953 <a href="/wiki/Arabian_Peninsula" title="Arabian Peninsula">Arabian Peninsula</a> and adjacent areas</li> <li>954 <a href="/wiki/History_of_India" title="History of India">India</a> and neighboring <a href="/wiki/History_of_South_Asia" class="mw-redirect" title="History of South Asia">south Asian countries</a></li> <li>955 <a href="/wiki/History_of_Iran" title="History of Iran">Iran</a></li> <li>956 <a href="/wiki/History_of_the_Middle_East" title="History of the Middle East">Middle East</a> (Near East)</li> <li>957 <a href="/wiki/History_of_Siberia" title="History of Siberia">Siberia</a> (Asiatic Russia)</li> <li>958 <a href="/wiki/History_of_Central_Asia" title="History of Central Asia">Central Asia</a></li> <li>959 <a href="/wiki/History_of_Southeast_Asia" title="History of Southeast Asia">Southeast Asia</a></li></ul></li> <li><b> 960 <a href="/wiki/History_of_Africa" title="History of Africa">History of Africa</a></b> <ul><li>960 History of Africa</li> <li>961 <a href="/wiki/History_of_Tunisia" title="History of Tunisia">Tunisia</a> and <a href="/wiki/History_of_Libya" title="History of Libya">Libya</a></li> <li>962 <a href="/wiki/History_of_Egypt" title="History of Egypt">Egypt</a>, <a href="/wiki/History_of_Sudan" title="History of Sudan">Sudan</a>, South Sudan</li> <li>963 <a href="/wiki/History_of_Ethiopia" title="History of Ethiopia">Ethiopia</a> and Eritrea</li> <li>964 <a href="/wiki/History_of_Morocco" title="History of Morocco">Morocco</a>, Ceuta, Melilla Western Sahara, <a href="/wiki/Canary_Islands#History" title="Canary Islands">Canary Islands</a></li> <li>965 <a href="/wiki/History_of_Algeria" title="History of Algeria">Algeria</a></li> <li>966 <a href="/wiki/History_of_West_Africa" title="History of West Africa">West Africa</a> and offshore islands</li> <li>967 <a href="/wiki/Central_Africa" title="Central Africa">Central Africa</a> and offshore islands</li> <li>968 <a href="/wiki/History_of_South_Africa" title="History of South Africa">South Africa</a> & southern Africa</li> <li>969 South <a href="/wiki/Indian_Ocean" title="Indian Ocean">Indian Ocean</a> islands</li></ul></li> <li><b> 970 <a href="/wiki/History_of_North_America" title="History of North America">History of North America</a></b> <ul><li>970 History of North America</li> <li>971 <a href="/wiki/History_of_Canada" title="History of Canada">Canada</a></li> <li>972 <a href="/wiki/History_of_Mexico" title="History of Mexico">Mexico</a>, <a href="/wiki/History_of_Central_America" title="History of Central America">Central America</a>, West Indies, Bermuda</li> <li>973 <a href="/wiki/History_of_the_United_States" title="History of the United States">United States</a></li> <li>974 <a href="/wiki/Northeastern_United_States#History" title="Northeastern United States">Northeastern United States</a> (New England and Middle Atlantic states)</li> <li>975 Southeastern United States (South Atlantic states)</li> <li>976 South central United States</li> <li>977 North central United States</li> <li>978 Western United States</li> <li>979 Great Basin and Pacific Slope region of United States</li></ul></li> <li><b> 980 <a href="/wiki/History_of_South_America" title="History of South America">History of South America</a></b> <ul><li>980 History of South America</li> <li>981 <a href="/wiki/History_of_Brazil" title="History of Brazil">Brazil</a></li> <li>982 <a href="/wiki/History_of_Argentina" title="History of Argentina">Argentina</a></li> <li>983 <a href="/wiki/History_of_Chile" title="History of Chile">Chile</a></li> <li>984 <a href="/wiki/History_of_Bolivia" title="History of Bolivia">Bolivia</a></li> <li>985 <a href="/wiki/History_of_Peru" title="History of Peru">Peru</a></li> <li>986 <a href="/wiki/History_of_Colombia" title="History of Colombia">Colombia</a> and <a href="/wiki/History_of_Ecuador" title="History of Ecuador">Ecuador</a></li> <li>987 <a href="/wiki/History_of_Venezuela" title="History of Venezuela">Venezuela</a></li> <li>988 <a href="/wiki/History_of_Guyana" title="History of Guyana">Guiana</a></li> <li>989 <a href="/wiki/History_of_Paraguay" title="History of Paraguay">Paraguay</a> and <a href="/wiki/History_of_Uruguay" title="History of Uruguay">Uruguay</a></li></ul></li> <li><b> 990 History of other areas</b> <ul><li>990 History of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds</li> <li>991–992 <i>Not assigned or no longer used</i></li> <li>993 <a href="/wiki/History_of_New_Zealand" title="History of New Zealand">New Zealand</a></li> <li>994 <a href="/wiki/History_of_Australia" title="History of Australia">Australia</a></li> <li>995 <a href="/wiki/History_of_Papua_New_Guinea" title="History of Papua New Guinea">New Guinea</a> and neighboring countries of <a href="/wiki/Melanesia" title="Melanesia">Melanesia</a></li> <li>996 <a href="/wiki/Polynesia" title="Polynesia">Polynesia</a> and other Pacific Ocean islands</li> <li>997 Atlantic Ocean islands</li> <li>998 Arctic islands and <a href="/wiki/History_of_Antarctica" title="History of Antarctica">Antarctica</a></li> <li>999 Extraterrestrial worlds</li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=11" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Library_of_Congress_Classification" title="Library of Congress Classification">Library of Congress Classification</a></li> <li><a href="/wiki/Comparison_of_Dewey_and_Library_of_Congress_subject_classification" title="Comparison of Dewey and Library of Congress subject classification">Comparison of Dewey and Library of Congress subject classification</a></li> <li><a href="/wiki/OCLC" title="OCLC">OCLC</a></li> <li><a href="/wiki/WorldCat" title="WorldCat">WorldCat</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Dewey_Decimal_classes&action=edit&section=12" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://staff.oclc.org/~dewey/dewey.htm">DDC Frequently Asked Questions</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.oclc.org/content/dam/oclc/dewey/versions/print/intro.pdf">Introduction to the <i>Dewey Decimal Classification (23rd edition)</i></a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.oclc.org/content/dam/oclc/dewey/ddc23-summaries.pdf">Summary lists of <i>Dewey Decimal Classification</i>, 23rd edition (2011)</a></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.oclc.org/content/dam/oclc/webdewey/help/000.pdf">"000 Computer science, information, general works"</a> <span class="cs1-format">(PDF)</span>. OCLC<span class="reference-accessdate">. Retrieved <span class="nowrap">2022-01-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=000+Computer+science%2C+information%2C+general+works&rft.pub=OCLC&rft_id=https%3A%2F%2Fwww.oclc.org%2Fcontent%2Fdam%2Foclc%2Fwebdewey%2Fhelp%2F000.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Dewey+Decimal+classes" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://drive.google.com/file/d/1cshboqu6h7Ppe2J4ZXz2pqvwaQgEGmAt/view">"EPC 143-S74.1 Graphic design and communication design"</a>. OCLC<span class="reference-accessdate">. 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