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The quality and accuracy of machine translation can vary significantly from one text to another. Read the page in original English <a onclick="goToLanguage('en')">here</a>.</div> <script type="text/javascript">/*<![CDATA[*/ // Determine if machine translation message should be shown function displayMachineTranslationMessage() { // Show if Italian, excluding certain pages if (thisSiteLanguage == 'it' && !document.querySelector('.columbia-page-home')) { document.querySelector('#machine-translation-message').style.display = null; } } displayMachineTranslationMessage();/*]]>*/</script> </div> <div class="mt-content-side"></div> <div id="mt-toc-container" data-title="Table of contents" data-collapsed="true"> <button class="mt-toggle mt-summary-toggle ui-button-icon mt-toggle-expand">Table of contents</button> <div class="mt-toc-content mt-collapsible-section mt-toc-hide"> <em>No headers</em> </div> </div> <div id="page-top"> <div id="topic"> <div id="pageText"> <div class="mt-help-search mt-lsf-search" id="mt-portfolio-search"><script type="application/json" id="mt-localizations-help-widget">/*<![CDATA[*/{"Help.Widget.button.text":"Search","Help.Widget.label.text":"Query","Help.Widget.placeholder.text":"Search Bibliographic records"}/*]]>*/</script><div class="mt-inputredirect" data-query-key="q" data-path="Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records"></div></div> <div class="mt-page-summary"><div class="mt-page-overview">Discover available bibliographic record indexes available for searching in WorldCat, values and criteria for each Format/Document and Material Type index, and RDA terms and codes.</div></div> <div class="mt-category-container mt-subpage-listings-container noindex"><ul class="mt-sortable-listings-container " id="mt-sortable" data-user-can-edit="false" data-page-id="32795"><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="5032"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes" rel="internal"><span class="mt-icon-article-topic-category"></span>Bibliographic record indexes</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>No image available</span></span></a></dd><dd class="mt-listing-detailed-overview">View all of the bibliographic indexes that are available for searching WorldCat.</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="Bibliographic record index lists" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes/Bibliographic_record_index_lists" rel="internal"><span class="mt-icon-article-topic-guide"></span>Bibliographic record index lists</a></li><li class="mt-show-more-listing"><a title="Bibliographic record indexes A-C" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes/Indexes_A_to_C" rel="internal"><span class="mt-icon-article-topic-guide"></span>Bibliographic record indexes A-C</a></li><li class="mt-show-more-listing"><a title="Bibliographic record indexes D-H" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes/Indexes_D_to_H" rel="internal"><span class="mt-icon-article-topic-guide"></span>Bibliographic record indexes D-H</a></li><li class="mt-show-more-listing"><a title="Bibliographic record indexes I-L" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes/Indexes_I_to_L" rel="internal"><span class="mt-icon-article-topic-guide"></span>Bibliographic record indexes I-L</a></li><li class="mt-show-more-listing"><a title="Bibliographic record indexes M-N" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes/Indexes_M_to_N" rel="internal"><span class="mt-icon-article-topic-guide"></span>Bibliographic record indexes M-N</a></li><li class="mt-show-more-listing"><a title="Bibliographic indexes O-R" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes/Indexes_O_to_R" rel="internal"><span class="mt-icon-article-topic-guide"></span>Bibliographic indexes O-R</a></li><li class="mt-show-more-listing"><a title="Bibliographic record indexes S-Z" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes/Indexes_S_to_Z" rel="internal"><span class="mt-icon-article-topic-guide"></span>Bibliographic record indexes S-Z</a></li></ul></dd></dl></li><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="5034"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields" rel="internal"><span class="mt-icon-article-topic-guide"></span>Bibliographic record fields and subfields</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>No image available</span></span></a></dd><dd class="mt-listing-detailed-overview">View all of the fields, subfields, index names, and index labels for the bibliographic record WorldCat indexes.</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="Leader" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/0Leader" rel="internal"><span class="mt-icon-article-topic"></span>Leader</a></li><li class="mt-show-more-listing"><a title="0xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/0xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>0xx fields</a></li><li class="mt-show-more-listing"><a title="1xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/1xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>1xx fields</a></li><li class="mt-show-more-listing"><a title="2xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/2xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>2xx fields</a></li><li class="mt-show-more-listing"><a title="3xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/3xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>3xx fields</a></li><li class="mt-show-more-listing"><a title="4xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/4xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>4xx fields</a></li><li class="mt-show-more-listing"><a title="5xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/5xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>5xx fields</a></li><li class="mt-show-more-listing"><a title="6xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/6xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>6xx fields</a></li><li class="mt-show-more-listing"><a title="7xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/7xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>7xx fields</a></li><li class="mt-show-more-listing"><a title="8xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/8xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>8xx fields</a></li><li class="mt-show-more-listing"><a title="9xx fields" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_fields_and_subfields/9xx_fields" rel="internal"><span class="mt-icon-article-topic"></span>9xx fields</a></li></ul></dd></dl></li><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="5196"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Format_Document_Type_values_and_codes" rel="internal"><span class="mt-icon-article-topic-guide"></span>Format/Document Type values and codes</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Format_Document_Type_values_and_codes" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>No image available</span></span></a></dd><dd class="mt-listing-detailed-overview">View the values, codes, and other criteria indexed for each Format/Document type index.</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="Connexion and FirstSearch" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Format_Document_Type_values_and_codes/Connexion_and_FirstSearch" rel="internal"><span class="mt-icon-article-topic"></span>Connexion and FirstSearch</a></li><li class="mt-show-more-listing"><a title="WorldShare and WorldCat Discovery" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Format_Document_Type_values_and_codes/WorldShare_and_WorldCat_Discovery" rel="internal"><span class="mt-icon-article-topic"></span>WorldShare and WorldCat Discovery</a></li></ul></dd></dl></li><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="5166"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes" rel="internal"><span class="mt-icon-article-topic-guide"></span>Material Type names and codes</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>No image available</span></span></a></dd><dd class="mt-listing-detailed-overview">View the values and other criteria indexed for each category set of codes in the Material Type index.</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="Books, textual materials (bks)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes/Books_textual_materials_bks" rel="internal"><span class="mt-icon-article-topic"></span>Books, textual materials (bks)</a></li><li class="mt-show-more-listing"><a title="Computer files (com)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes/Computer_files_com" rel="internal"><span class="mt-icon-article-topic"></span>Computer files (com)</a></li><li class="mt-show-more-listing"><a title="Continuing resources (cnr)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes/Continuing_resources_cnr" rel="internal"><span class="mt-icon-article-topic"></span>Continuing resources (cnr)</a></li><li class="mt-show-more-listing"><a title="Maps, cartographic materials (map)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes/Maps_cartographic_materials_map" rel="internal"><span class="mt-icon-article-topic"></span>Maps, cartographic materials (map)</a></li><li class="mt-show-more-listing"><a title="Musical scores (sco)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes/Musical_scores_sco" rel="internal"><span class="mt-icon-article-topic"></span>Musical scores (sco)</a></li><li class="mt-show-more-listing"><a title="Sound recordings (rec)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes/Sound_recordings_rec" rel="internal"><span class="mt-icon-article-topic"></span>Sound recordings (rec)</a></li><li class="mt-show-more-listing"><a title="Universal" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes/Universal" rel="internal"><span class="mt-icon-article-topic"></span>Universal</a></li><li class="mt-show-more-listing"><a title="Visual materials (vis)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Material_Type_names_and_codes/Visual_materials_vis" rel="internal"><span class="mt-icon-article-topic"></span>Visual materials (vis)</a></li></ul></dd></dl></li><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="5035"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/RDA_terms_and_codes" rel="internal"><span class="mt-icon-article-topic-guide"></span>RDA terms and codes</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/RDA_terms_and_codes" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>No image available</span></span></a></dd><dd class="mt-listing-detailed-overview">RDA, or Resource Description and Access, is the proposed successor to AACR2. The tables in this guide show RDA content, media, and carrier type terms and codes that may occur in fields 336, 337, and 338 of records (term in &Dagger;a; corresponding code in &Dagger;b).</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="Carrier terms and codes (field 338 &Dagger;a &Dagger;b)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/RDA_terms_and_codes/Carrier_terms_and_codes" rel="internal"><span class="mt-icon-article-topic"></span>Carrier terms and codes (field 338 &Dagger;a &Dagger;b)</a></li><li class="mt-show-more-listing"><a title="Content terms and codes (field 336 &Dagger;a &Dagger;b)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/RDA_terms_and_codes/Content_terms_and_codes" rel="internal"><span class="mt-icon-article-topic"></span>Content terms and codes (field 336 &Dagger;a &Dagger;b)</a></li><li class="mt-show-more-listing"><a title="Media terms and codes (field 337 &Dagger;a &Dagger;b)" class="mt-listing-detailed-subpage-title internal" href="https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/RDA_terms_and_codes/Media_terms_and_codes" rel="internal"><span class="mt-icon-article-topic"></span>Media terms and codes (field 337 &Dagger;a &Dagger;b)</a></li></ul></dd></dl></li></ul><script type="application/json" id="mt-localizations-ordered-subpages">/*<![CDATA[*/{"MindTouch.IDF3.label.drag-n-drop":"Drag","MindTouch.IDF3.label.reveal.showAll":"Show all","MindTouch.IDF3.label.reveal.showLess":"Show less","MindTouch.IDF3.warning.page-order-limit-exceeded":"Sorry, there are too many child pages to safely reorder. 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