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Available in 62 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-62" 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">62 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/WorldCat" title="WorldCat – Afrikaans" lang="af" hreflang="af" data-title="WorldCat" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/WorldCat" title="WorldCat – Alemannic" lang="gsw" hreflang="gsw" data-title="WorldCat" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%88%D9%88%D8%B1%D9%84%D8%AF_%D9%83%D8%A7%D8%AA" title="وورلد كات – Arabic" lang="ar" hreflang="ar" data-title="وورلد كات" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/WorldCat" title="WorldCat – Asturian" lang="ast" hreflang="ast" data-title="WorldCat" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%93%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%B2%E0%A7%8D%E0%A6%A1%E0%A6%95%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%9F" title="ওয়ার্ল্ডক্যাট – Bangla" lang="bn" hreflang="bn" data-title="ওয়ার্ল্ডক্যাট" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/WorldCat_(%D0%B1%D0%B8%D0%B1%D0%BB%D0%B8%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D0%BA_%D0%BC%D3%99%D2%93%D0%BB%D2%AF%D0%BC%D3%99%D1%82_%D0%B1%D0%B0%D0%B7%D0%B0%D2%BB%D1%8B)" title="WorldCat (библиографик мәғлүмәт базаһы) – Bashkir" lang="ba" hreflang="ba" data-title="WorldCat (библиографик мәғлүмәт базаһы)" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/WorldCat" title="WorldCat – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="WorldCat" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/WorldCat" title="WorldCat – Bavarian" lang="bar" hreflang="bar" data-title="WorldCat" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/WorldCat" title="WorldCat – Bosnian" lang="bs" hreflang="bs" data-title="WorldCat" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/WorldCat" title="WorldCat – Catalan" lang="ca" hreflang="ca" data-title="WorldCat" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/WorldCat" title="WorldCat – Czech" lang="cs" hreflang="cs" data-title="WorldCat" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/WorldCat" title="WorldCat – Danish" lang="da" hreflang="da" data-title="WorldCat" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/WorldCat" title="WorldCat – German" lang="de" hreflang="de" data-title="WorldCat" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/WorldCat" title="WorldCat – Greek" lang="el" hreflang="el" data-title="WorldCat" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/WorldCat" title="WorldCat – Spanish" lang="es" hreflang="es" data-title="WorldCat" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/WorldCat" title="WorldCat – Esperanto" lang="eo" hreflang="eo" data-title="WorldCat" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%88%D8%B1%D9%84%D8%AF%DA%A9%D8%AA" title="ورلدکت – Persian" lang="fa" hreflang="fa" data-title="ورلدکت" 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/WorldCat" title="WorldCat – French" lang="fr" hreflang="fr" data-title="WorldCat" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/WorldCat" title="WorldCat – Galician" lang="gl" hreflang="gl" data-title="WorldCat" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9B%94%EB%93%9C%EC%BA%A3" title="월드캣 – Korean" lang="ko" hreflang="ko" data-title="월드캣" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/WorldCat" title="WorldCat – Croatian" lang="hr" hreflang="hr" data-title="WorldCat" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/WorldCat" title="WorldCat – Iloko" lang="ilo" hreflang="ilo" data-title="WorldCat" data-language-autonym="Ilokano" data-language-local-name="Iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/WorldCat" title="WorldCat – Indonesian" lang="id" hreflang="id" data-title="WorldCat" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/WorldCat" title="WorldCat – Italian" lang="it" hreflang="it" data-title="WorldCat" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/WorldCat" title="WorldCat – Hebrew" lang="he" hreflang="he" data-title="WorldCat" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-pam mw-list-item"><a href="https://pam.wikipedia.org/wiki/WorldCat" title="WorldCat – Pampanga" lang="pam" hreflang="pam" data-title="WorldCat" data-language-autonym="Kapampangan" data-language-local-name="Pampanga" class="interlanguage-link-target"><span>Kapampangan</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/WorldCat" title="WorldCat – Georgian" lang="ka" hreflang="ka" data-title="WorldCat" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/WorldCat" title="WorldCat – Swahili" lang="sw" hreflang="sw" data-title="WorldCat" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/WorldCat" title="WorldCat – Latin" lang="la" hreflang="la" data-title="WorldCat" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/WorldCat" title="WorldCat – Lithuanian" lang="lt" hreflang="lt" data-title="WorldCat" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/WorldCat" title="WorldCat – Ligurian" lang="lij" hreflang="lij" data-title="WorldCat" data-language-autonym="Ligure" data-language-local-name="Ligurian" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/WorldCat" title="WorldCat – Hungarian" lang="hu" hreflang="hu" data-title="WorldCat" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/WorldCat" title="WorldCat – Macedonian" lang="mk" hreflang="mk" data-title="WorldCat" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B5%E0%B5%87%E0%B5%BE%E0%B4%A1%E0%B5%8D%E0%B4%95%E0%B4%BE%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8D_(%E0%B4%B5%E0%B4%BF%E0%B4%B6%E0%B5%8D%E0%B4%B5%E0%B4%97%E0%B5%8D%E0%B4%B0%E0%B4%A8%E0%B5%8D%E0%B4%A5%E0%B4%B8%E0%B5%82%E0%B4%9A%E0%B4%BF)" title="വേൾഡ്കാറ്റ് (വിശ്വഗ്രന്ഥസൂചി) – Malayalam" lang="ml" hreflang="ml" data-title="വേൾഡ്കാറ്റ് (വിശ്വഗ്രന്ഥസൂചി)" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/WorldCat" title="WorldCat – Maltese" lang="mt" hreflang="mt" data-title="WorldCat" data-language-autonym="Malti" data-language-local-name="Maltese" class="interlanguage-link-target"><span>Malti</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%88%D9%88%D8%B1%D9%84%D8%AF%D9%83%D8%A7%D8%AA" title="وورلدكات – Egyptian Arabic" lang="arz" hreflang="arz" data-title="وورلدكات" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/WorldCat" title="WorldCat – Malay" lang="ms" hreflang="ms" data-title="WorldCat" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/WorldCat" title="WorldCat – Dutch" lang="nl" hreflang="nl" data-title="WorldCat" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/WorldCat" title="WorldCat – Japanese" lang="ja" hreflang="ja" data-title="WorldCat" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/WorldCat" title="WorldCat – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="WorldCat" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/WorldCat" title="WorldCat – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="WorldCat" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/WorldCat" title="WorldCat – Uzbek" lang="uz" hreflang="uz" data-title="WorldCat" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B5%E0%A8%B0%E0%A8%B2%E0%A8%A1%E0%A8%95%E0%A9%88%E0%A8%9F" title="ਵਰਲਡਕੈਟ – Punjabi" lang="pa" hreflang="pa" data-title="ਵਰਲਡਕੈਟ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/WorldCat" title="WorldCat – Polish" lang="pl" hreflang="pl" data-title="WorldCat" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/WorldCat" title="WorldCat – Portuguese" lang="pt" hreflang="pt" data-title="WorldCat" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/WorldCat" title="WorldCat – Romanian" lang="ro" hreflang="ro" data-title="WorldCat" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/WorldCat" title="WorldCat – Russian" lang="ru" hreflang="ru" data-title="WorldCat" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/WorldCat" title="WorldCat – Albanian" lang="sq" hreflang="sq" data-title="WorldCat" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/WorldCat" title="WorldCat – Sinhala" lang="si" hreflang="si" data-title="WorldCat" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/WorldCat" title="WorldCat – Simple English" lang="en-simple" hreflang="en-simple" data-title="WorldCat" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/WorldCat" title="WorldCat – Slovak" lang="sk" hreflang="sk" data-title="WorldCat" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/WorldCat" title="WorldCat – Slovenian" lang="sl" hreflang="sl" data-title="WorldCat" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/WorldCat" title="WorldCat – Serbian" lang="sr" hreflang="sr" data-title="WorldCat" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/WorldCat" title="WorldCat – Serbo-Croatian" lang="sh" hreflang="sh" data-title="WorldCat" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/WorldCat" title="WorldCat – Finnish" lang="fi" hreflang="fi" data-title="WorldCat" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Worldcat" title="Worldcat – Swedish" lang="sv" hreflang="sv" data-title="Worldcat" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/WorldCat" title="WorldCat – Turkish" lang="tr" hreflang="tr" data-title="WorldCat" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/WorldCat" title="WorldCat – Ukrainian" lang="uk" hreflang="uk" data-title="WorldCat" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/WorldCat" title="WorldCat – Venetian" lang="vec" hreflang="vec" data-title="WorldCat" data-language-autonym="Vèneto" data-language-local-name="Venetian" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/WorldCat" title="WorldCat – Vietnamese" lang="vi" hreflang="vi" data-title="WorldCat" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/WorldCat" title="WorldCat – Wu" lang="wuu" hreflang="wuu" data-title="WorldCat" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/WorldCat" title="WorldCat – Chinese" lang="zh" hreflang="zh" data-title="WorldCat" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q846596#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div 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.infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vcard"><caption class="infobox-title fn org">WorldCat</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:WorldCat_logo.svg" class="mw-file-description"><img alt="Five-color WorldCat emblem, with WorldCat in black letters and OCLC in smaller grey letters" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/WorldCat_logo.svg/220px-WorldCat_logo.svg.png" decoding="async" width="220" height="67" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/WorldCat_logo.svg/330px-WorldCat_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/WorldCat_logo.svg/440px-WorldCat_logo.svg.png 2x" data-file-width="575" data-file-height="174" /></a></span></td></tr><tr><td colspan="2" class="infobox-image"><style data-mw-deduplicate="TemplateStyles:r1214851843">.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}@media all and (max-width:500px){.mw-parser-output .hidden-begin{width:auto!important;clear:none!important;float:none!important}}</style><div class="hidden-begin mw-collapsible mw-collapsed" style=""><div class="hidden-title skin-nightmode-reset-color" style="background:gainsboro;text-align:center">Screenshot</div><div class="hidden-content mw-collapsible-content" style="text-align:center"> <span typeof="mw:File"><a href="/wiki/File:WorldCat_homepage.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/8/80/WorldCat_homepage.png/300px-WorldCat_homepage.png" decoding="async" width="300" height="171" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/8/80/WorldCat_homepage.png 1.5x" data-file-width="418" data-file-height="238" /></a></span><div class="infobox-caption">WorldCat <a href="/wiki/Homepage" class="mw-redirect" title="Homepage">homepage</a> as of June 2019</div></div></div></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Type of site</div></th><td class="infobox-data">Network of library content and services</td></tr><tr><th scope="row" class="infobox-label">Available in</th><td class="infobox-data">13 languages<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></td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1214851843"><div class="hidden-begin mw-collapsible mw-collapsed" style=""><div class="hidden-title skin-nightmode-reset-color" style="background:transparent;color:inherit;">List of languages</div><div class="hidden-content mw-collapsible-content" style=""><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><div class="hlist"><ul><li>Chinese (Simplified)</li><li>Chinese (Traditional)</li><li>Czech</li><li>Dutch</li><li>English</li><li>French</li><li>German</li><li>Italian</li><li>Korean</li><li>Japanese</li><li>Portuguese</li><li>Spanish</li><li>Thai</li><li>Urdu</li></ul></div></div></div></td></tr><tr><th scope="row" class="infobox-label">Owner</th><td class="infobox-data"><a href="/wiki/OCLC" title="OCLC">OCLC</a></td></tr><tr><th scope="row" class="infobox-label">URL</th><td class="infobox-data url"><span class="url"><a rel="nofollow" class="external text" href="https://search.worldcat.org/">search<wbr />.worldcat<wbr />.org</a></span> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q846596#P856" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Commercial</th><td class="infobox-data">No</td></tr><tr><th scope="row" class="infobox-label">Registration</th><td class="infobox-data">Optional, but some features require registration (such as writing reviews and making lists or bibliographies)</td></tr><tr><th scope="row" class="infobox-label">Launched</th><td class="infobox-data">January 21, 1998<span class="noprint">; 26 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1998-01-21</span>)</span> (date of registry of the new <a href="/wiki/Domain_name" title="Domain name">domain name</a>; the database has existed since 1971)<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></td></tr><tr><th scope="row" class="infobox-label">Current status</th><td class="infobox-data category">Online</td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Content license</div></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://policies.oclc.org/en/copyright.html">Copyright policy</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/OCLC" title="OCLC">OCLC</a> number</th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/756372754">756372754 </a></td></tr></tbody></table> <p><b>WorldCat</b> is a <a href="/wiki/Union_catalog" title="Union catalog">union catalog</a> that itemizes the collections of tens of thousands of institutions (mostly <a href="/wiki/Library" title="Library">libraries</a>), in many countries, that are current or past members of the <a href="/wiki/OCLC" title="OCLC">OCLC</a> global cooperative.<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> It is operated by OCLC, Inc.<sup id="cite_ref-InsideWorldCat_4-0" class="reference"><a href="#cite_note-InsideWorldCat-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Many of the OCLC member libraries collectively maintain WorldCat's <a href="/wiki/Database" title="Database">database</a>, the world's largest <a href="/wiki/Bibliographic_database" title="Bibliographic database">bibliographic database</a>.<sup id="cite_ref-largest_5-0" class="reference"><a href="#cite_note-largest-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The database includes other information sources in addition to member library collections.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> OCLC makes WorldCat itself available free to libraries, but the catalog is the foundation for other subscription OCLC services (such as <a href="/wiki/Interlibrary_loan" title="Interlibrary loan">resource sharing</a> and collection management). WorldCat is used by librarians for cataloging and research and by the general public. </p><p>As of December 2021<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=WorldCat&action=edit">[update]</a></sup>, WorldCat contained over 540 million bibliographic records in 483 languages, representing over 3 billion physical and digital library assets,<sup id="cite_ref-InsideWorldCat_4-1" class="reference"><a href="#cite_note-InsideWorldCat-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and the WorldCat persons dataset (<a href="/wiki/Data_mining" title="Data mining">mined</a> from WorldCat) included over 100 million people.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History"><span class="anchor" id="Identifier"></span>History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WorldCat&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/OCLC" title="OCLC">OCLC</a> was founded in 1967 under the leadership of <a href="/wiki/Fred_Kilgour" title="Fred Kilgour">Fred Kilgour</a>.<sup id="cite_ref-Fox_8-0" class="reference"><a href="#cite_note-Fox-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> That same year, OCLC began to develop the union catalog technology that would later evolve into WorldCat; the first catalog records were added in 1971.<sup id="cite_ref-Fox_8-1" class="reference"><a href="#cite_note-Fox-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-history_9-0" class="reference"><a href="#cite_note-history-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>In 2003, OCLC began the "Open WorldCat" pilot program, making abbreviated records from a subset of WorldCat available to partner web sites and booksellers, to increase the accessibility of its subscribing member libraries' collections.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>In October 2005, the OCLC technical staff began a <a href="/wiki/Wiki" title="Wiki">wiki</a> project, WikiD, allowing readers to add commentary and structured-field information associated with any WorldCat record.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> WikiD was later phased out, although WorldCat later incorporated <a href="/wiki/User-generated_content" title="User-generated content">user-generated content</a> in other ways.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>In 2006, it became possible for anyone to search WorldCat directly at its open website WorldCat.org,<sup id="cite_ref-Hane_15-0" class="reference"><a href="#cite_note-Hane-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> not only through the subscription FirstSearch interface where it had been available on the web to subscribing libraries for more than a decade before.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> Options for more sophisticated searches of WorldCat have remained available through the FirstSearch interface.<sup id="cite_ref-Hane_15-1" class="reference"><a href="#cite_note-Hane-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>In 2007, WorldCat Identities began providing pages for 20 million "identities", which are <a href="/wiki/Metadata" title="Metadata">metadata</a> about names—predominantly authors and persons who are the subjects of published titles.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>In 2017, OCLC's WorldCat Search <a href="/wiki/Application_programming_interface" class="mw-redirect" title="Application programming interface">API</a> was integrated into the cite tool of Wikipedia's <a href="/wiki/Wikipedia:VisualEditor" title="Wikipedia:VisualEditor">VisualEditor</a>, allowing Wikipedia editors to cite sources from WorldCat easily.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p><p>Beginning in 2017, OCLC and the <a href="/wiki/Internet_Archive" title="Internet Archive">Internet Archive</a> have collaborated to make the Internet Archive's records of digitized books available in WorldCat.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>In May 2022, OCLC announced WorldCat Entities, a new infrastructure for <a href="/wiki/Library_linked_data" title="Library linked data">library linked data</a>.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> Maintenance of WorldCat Identities was suspended and the service will be discontinued as it is being replaced by WorldCat Entities.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p><p>In August 2022, OCLC launched a "redesigned and reimagined" WorldCat.org website with the stated goal "to offer greater accessibility to the collections".<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> The website now requires the use of <a href="/wiki/JavaScript" title="JavaScript">JavaScript</a> and is therefore no longer accessible for users of older web browsers or those that have <a href="https://www.mediawiki.org/wiki/No-JavaScript_notes" class="extiw" title="mw:No-JavaScript notes">JavaScript disabled</a> for <a href="/wiki/JavaScript#Security" title="JavaScript">security reasons</a>. The update also removed users' book reviews and replaced them with reviews from <a href="/wiki/Amazon_(company)" title="Amazon (company)">Amazon</a> subsidiary <a href="/wiki/GoodReads" class="mw-redirect" title="GoodReads">GoodReads</a>.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p><p>In 2023, <a href="/wiki/Anna%27s_Archive" title="Anna's Archive">Anna's Archive</a> <a href="/wiki/Web_scraping" title="Web scraping">scraped</a> and began distributing the whole WorldCat database and was subsequently sued by OCLC in January 2024.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="System_architecture">System architecture</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WorldCat&action=edit&section=2" title="Edit section: System architecture"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Local catalogs of many OCLC member libraries are intermittently synchronized with the WorldCat database.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> WorldCat allows participating institutions to add direct links from WorldCat to their own local catalog entries for particular items, which enables the user to click through to the local catalog to quickly determine an item's real-time status (for example, whether or not it is checked out).<sup id="cite_ref-whatis_28-0" class="reference"><a href="#cite_note-whatis-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p><p>In a small percentage of libraries,<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> the local catalog is also run by OCLC using an <a href="/wiki/Integrated_library_system" title="Integrated library system">integrated library system</a> called WorldCat Discovery and WorldShare Management Services.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </p><p>Library contributions to WorldCat are made via the Connexion computer program,<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> which was introduced in 2001; its predecessor, OCLC Passport, was phased out in May 2005.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Cataloging" class="mw-redirect" title="Cataloging">Cataloging</a> librarians may also use the WorldShare Record Manager<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> or WorldCat Metadata API<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> for similar purposes.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> </p> <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=WorldCat&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Copac" title="Copac">Copac</a></li> <li><a href="/wiki/Faceted_Application_of_Subject_Terminology" title="Faceted Application of Subject Terminology">Faceted Application of Subject Terminology</a> (FAST)</li> <li><a href="/wiki/List_of_academic_databases_and_search_engines" title="List of academic databases and search engines">List of academic databases and search engines</a></li> <li><a href="/wiki/Open_Library" title="Open Library">Open Library</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=WorldCat&action=edit&section=4" 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 mw-references-columns"><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"><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.worldcat.org/account/?page=searchItems">"Search for library items"</a>. <i>WorldCat</i>. <a href="/wiki/OCLC" title="OCLC">OCLC</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070922180208/https://www.worldcat.org/account/?page=searchItems">Archived</a> from the original on September 22, 2007<span class="reference-accessdate">. Retrieved <span class="nowrap">March 29,</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=WorldCat&rft.atitle=Search+for+library+items&rft_id=https%3A%2F%2Fwww.worldcat.org%2Faccount%2F%3Fpage%3DsearchItems&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></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">1998 is the date of registry of the WorldCat.org domain; see: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://whois.domaintools.com/worldcat.org">"WorldCat.org WHOIS, DNS, & Domain Info – DomainTools"</a>. <i><a href="/wiki/WHOIS" title="WHOIS">WHOIS</a></i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190620011555/http://whois.domaintools.com/worldcat.org">Archived</a> from the original on June 20, 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">January 21,</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=WHOIS&rft.atitle=WorldCat.org+WHOIS%2C+DNS%2C+%26+Domain+Info+%E2%80%93+DomainTools&rft_id=http%3A%2F%2Fwhois.domaintools.com%2Fworldcat.org&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span> However, the union catalog that became WorldCat was started three decades earlier, and it was already available on the web to subscriber libraries at OCLC.org several years before WorldCat.org was a registered domain name; see: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://whois.domaintools.com/oclc.org">"OCLC.org WHOIS, DNS, & Domain Info – DomainTools"</a>. <i><a href="/wiki/WHOIS" title="WHOIS">WHOIS</a></i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190626214826/http://whois.domaintools.com/oclc.org">Archived</a> from the original on June 26, 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">June 26,</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=WHOIS&rft.atitle=OCLC.org+WHOIS%2C+DNS%2C+%26+Domain+Info+%E2%80%93+DomainTools&rft_id=http%3A%2F%2Fwhois.domaintools.com%2Foclc.org&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></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">The 2012–2013 OCLC Annual Report noted that the number of "participating libraries (includes active and inactive symbols)" was 78,985: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation report cs1"><a rel="nofollow" class="external text" href="https://cdm15003.contentdm.oclc.org/digital/collection/p15003coll7/id/108">2012–2013 OCLC Annual Report</a> (Report). p. 5. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/1226313226">1226313226</a><span class="reference-accessdate">. Retrieved <span class="nowrap">March 10,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=report&rft.btitle=2012%E2%80%932013+OCLC+Annual+Report&rft.pages=5&rft_id=info%3Aoclcnum%2F1226313226&rft_id=https%3A%2F%2Fcdm15003.contentdm.oclc.org%2Fdigital%2Fcollection%2Fp15003coll7%2Fid%2F108&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-InsideWorldCat-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-InsideWorldCat_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-InsideWorldCat_4-1"><sup><i><b>b</b></i></sup></a></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://www.oclc.org/en/worldcat/inside-worldcat.html">"Inside WorldCat"</a>. OCLC. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170130152208/https://www.oclc.org/en/worldcat/inside-worldcat.html">Archived</a> from the original on January 30, 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">June 19,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Inside+WorldCat&rft.pub=OCLC&rft_id=https%3A%2F%2Fwww.oclc.org%2Fen%2Fworldcat%2Finside-worldcat.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-largest-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-largest_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOswald2017" class="citation book cs1">Oswald, Godfrey (2017). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=G4owDwAAQBAJ&pg=PA291">"Largest unified international library catalog"</a>. <i>Library world records</i> (3rd ed.). Jefferson, NC: <a href="/wiki/McFarland_%26_Company" title="McFarland & Company">McFarland & Company</a>. p. 291. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9781476667775" title="Special:BookSources/9781476667775"><bdi>9781476667775</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/959650095">959650095</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Largest+unified+international+library+catalog&rft.btitle=Library+world+records&rft.place=Jefferson%2C+NC&rft.pages=291&rft.edition=3rd&rft.pub=McFarland+%26+Company&rft.date=2017&rft_id=info%3Aoclcnum%2F959650095&rft.isbn=9781476667775&rft.aulast=Oswald&rft.aufirst=Godfrey&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DG4owDwAAQBAJ%26pg%3DPA291&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</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://www.oclc.org/content/dam/oclc/worldcat-discovery/contentlist.xls">"Content available through WorldCat Discovery"</a> <span class="cs1-format">(XLS)</span>. OCLC. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200922145435/https://www.oclc.org/content/dam/oclc/worldcat-discovery/contentlist.xls">Archived</a> from the original on September 22, 2020<span class="reference-accessdate">. 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Retrieved <span class="nowrap">March 25,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=InfoDocket&rft.atitle=OCLC+releases+more+than+150+million+WorldCat+Entities+as+the+foundation+of+a+linked+data+infrastructure&rft.date=2022-05-24&rft.aulast=Price&rft.aufirst=Gary&rft_id=https%3A%2F%2Fwww.infodocket.com%2F2022%2F05%2F24%2Foclc-releases-more-than-150-million-worldcat-entities-as-the-foundation-of-a-linked-data-infrastructure%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</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://www.oclc.org/en/worldcat/oclc-and-linked-data/worldcat-entities.html">"Find WorldCat Entities to improve resource discoverability through connections"</a>. <i>OCLC</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220524194654/https://www.oclc.org/en/worldcat/oclc-and-linked-data/worldcat-entities.html">Archived</a> from the original on May 24, 2022<span class="reference-accessdate">. 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March 9, 2023. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230325204006/https://www.oclc.org/research/areas/data-science/identities.html">Archived</a> from the original on March 25, 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">March 15,</span> 2023</span>. <q>The research prototype application is no longer supported or maintained ... We have taken the findings of the research effort and used them to start to build the WorldCat Entities data. These new Entities and their persistent URIs will serve as the foundation for future linked data services similar to those explored in the Identities Research work.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=OCLC&rft.atitle=WorldCat+Identities&rft.date=2023-03-09&rft_id=https%3A%2F%2Fwww.oclc.org%2Fresearch%2Fareas%2Fdata-science%2Fidentities.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPrice2022" class="citation web cs1">Price, Gary (August 24, 2022). <a rel="nofollow" class="external text" href="https://www.infodocket.com/2022/08/24/wc/#:~:text=The%20new%20WorldCat.org%20site,of%20hundreds%20of%20U.S.%20libraries.">"OCLC Officially Announces the Launch of a 'Redesigned and Reimagined' WorldCat.org"</a>. <i><a href="/wiki/InfoDocket" class="mw-redirect" title="InfoDocket">InfoDocket</a></i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220829185846/https://www.infodocket.com/2022/08/24/wc/#:~:text=The%20new%20WorldCat.org%20site,of%20hundreds%20of%20U.S.%20libraries.">Archived</a> from the original on August 29, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">August 29,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=InfoDocket&rft.atitle=OCLC+Officially+Announces+the+Launch+of+a+%27Redesigned+and+Reimagined%27+WorldCat.org&rft.date=2022-08-24&rft.aulast=Price&rft.aufirst=Gary&rft_id=https%3A%2F%2Fwww.infodocket.com%2F2022%2F08%2F24%2Fwc%2F%23%3A~%3Atext%3DThe%2520new%2520WorldCat.org%2520site%2Cof%2520hundreds%2520of%2520U.S.%2520libraries.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</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://www.worldcat.org/faq">"Frequently Asked Questions"</a>. 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Retrieved <span class="nowrap">August 29,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Frequently+Asked+Questions&rft.pub=WorldCat&rft_id=https%3A%2F%2Fwww.worldcat.org%2Ffaq&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVan_der_Sar2024" class="citation web cs1">Van der Sar, Ernesto (February 7, 2024). <a rel="nofollow" class="external text" href="https://torrentfreak.com/lawsuit-accuses-annas-archive-of-hacking-worldcat-stealing-2-2-tb-data-240207/">"Lawsuit Accuses Anna's Archive of Hacking WorldCat, Stealing 2.2 TB Data"</a>. <i><a href="/wiki/TorrentFreak" title="TorrentFreak">TorrentFreak</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">March 17,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=TorrentFreak&rft.atitle=Lawsuit+Accuses+Anna%27s+Archive+of+Hacking+WorldCat%2C+Stealing+2.2+TB+Data&rft.date=2024-02-07&rft.aulast=Van+der+Sar&rft.aufirst=Ernesto&rft_id=https%3A%2F%2Ftorrentfreak.com%2Flawsuit-accuses-annas-archive-of-hacking-worldcat-stealing-2-2-tb-data-240207%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</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://help.oclc.org/Metadata_Services/WorldShare_Collection_Manager/Data_sync_collections/About_data_sync_collections_in_Collection_Manager/About_data_sync_collections">"About data sync collections"</a>. <i>OCLC Support</i>. April 14, 2017. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210618153437/https://help.oclc.org/Metadata_Services/WorldShare_Collection_Manager/Data_sync_collections/About_data_sync_collections_in_Collection_Manager/About_data_sync_collections">Archived</a> from the original on June 18, 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">June 18,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=OCLC+Support&rft.atitle=About+data+sync+collections&rft.date=2017-04-14&rft_id=https%3A%2F%2Fhelp.oclc.org%2FMetadata_Services%2FWorldShare_Collection_Manager%2FData_sync_collections%2FAbout_data_sync_collections_in_Collection_Manager%2FAbout_data_sync_collections&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-whatis-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-whatis_28-0">^</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://web.archive.org/web/20191114022052/https://www.worldcat.org/whatis/">"What is WorldCat?"</a>. <i>worldcat.org</i>. Archived from <a rel="nofollow" class="external text" href="https://www.worldcat.org/whatis/">the original</a> on November 14, 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">February 13,</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=worldcat.org&rft.atitle=What+is+WorldCat%3F&rft_id=https%3A%2F%2Fwww.worldcat.org%2Fwhatis%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchonfeld2019" class="citation web cs1">Schonfeld, Roger C. (December 5, 2019). <a rel="nofollow" class="external text" href="https://sr.ithaka.org/blog/what-are-the-larger-implications-of-ex-libris-buying-innovative/">"What are the larger implications of Ex Libris buying Innovative?"</a>. <i>Ithaka S+R</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200612014535/https://sr.ithaka.org/blog/what-are-the-larger-implications-of-ex-libris-buying-innovative/">Archived</a> from the original on June 12, 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">April 25,</span> 2020</span>. <q>OCLC's WorldShare cloud system has yet to achieve critical mass, amounting to 10% of the academic market (but only 4% of <a href="/wiki/Association_of_Research_Libraries" title="Association of Research Libraries">ARL</a>), and OCLC's entire public library business represents just 10% of the public library market.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Ithaka+S%2BR&rft.atitle=What+are+the+larger+implications+of+Ex+Libris+buying+Innovative%3F&rft.date=2019-12-05&rft.aulast=Schonfeld&rft.aufirst=Roger+C.&rft_id=https%3A%2F%2Fsr.ithaka.org%2Fblog%2Fwhat-are-the-larger-implications-of-ex-libris-buying-innovative%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span> For another source of statistics on library system market share, see: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://librarytechnology.org/products/marketshare.pl">"Marketshare Report"</a>. <i>Library Technology Guides</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210728144055/https://librarytechnology.org/products/marketshare.pl/">Archived</a> from the original on July 28, 2021<span class="reference-accessdate">. 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Retrieved <span class="nowrap">June 18,</span> 2021</span> – via Library Technology Guides.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Smart+Libraries+Newsletter&rft.atitle=OCLC+announces+WorldCat+Discovery+service&rft.volume=34&rft.issue=3&rft.pages=6-7&rft.date=2014-03&rft.issn=1541-8820&rft.aulast=Breeding&rft.aufirst=Marshall&rft_id=https%3A%2F%2Flibrarytechnology.org%2Fdocument%2F19032&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-31"><span class="mw-cite-backlink"><b><a href="#cite_ref-31">^</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://www.oclc.org/en/connexion/features.html">"Connexion – Features"</a>. 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Retrieved <span class="nowrap">June 18,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.oclc.org&rft.atitle=WorldShare+Record+Manager%3A+Record-at-a-time+cataloging+service&rft.date=2021-04-02&rft_id=https%3A%2F%2Fwww.oclc.org%2Fen%2Fworldshare-record-manager.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-34">^</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://www.oclc.org/developer/develop/web-services/worldcat-metadata-api.en.html">"WorldCat Metadata API | OCLC Developer Network"</a>. OCLC. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210605095010/https://www.oclc.org/developer/develop/web-services/worldcat-metadata-api.en.html">Archived</a> from the original on June 5, 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">June 18,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=WorldCat+Metadata+API+%7C+OCLC+Developer+Network&rft.pub=OCLC&rft_id=https%3A%2F%2Fwww.oclc.org%2Fdeveloper%2Fdevelop%2Fweb-services%2Fworldcat-metadata-api.en.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> <li id="cite_note-35"><span class="mw-cite-backlink"><b><a href="#cite_ref-35">^</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://www.oclc.org/go/en/oclc-cataloging-application-comparison.html">"OCLC cataloging application comparison"</a>. OCLC. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210618151215/https://www.oclc.org/go/en/oclc-cataloging-application-comparison.html">Archived</a> from the original on June 18, 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">June 18,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=OCLC+cataloging+application+comparison&rft.pub=OCLC&rft_id=https%3A%2F%2Fwww.oclc.org%2Fgo%2Fen%2Foclc-cataloging-application-comparison.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WorldCat&action=edit&section=5" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239549316">.mw-parser-output .refbegin{margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li{margin-left:0;padding-left:3.2em;text-indent:-3.2em}.mw-parser-output .refbegin-hanging-indents ul,.mw-parser-output .refbegin-hanging-indents ul li{list-style:none}@media(max-width:720px){.mw-parser-output .refbegin-hanging-indents>ul>li{padding-left:1.6em;text-indent:-1.6em}}.mw-parser-output .refbegin-columns{margin-top:0.3em}.mw-parser-output .refbegin-columns ul{margin-top:0}.mw-parser-output .refbegin-columns li{page-break-inside:avoid;break-inside:avoid-column}@media screen{.mw-parser-output .refbegin{font-size:90%}}</style><div class="refbegin" style=""> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBlackmanMooreSeikelSmith2014" class="citation journal cs1">Blackman, Cathy; Moore, Erica Rae; Seikel, Michele; Smith, Mandi (July 2014). <a rel="nofollow" class="external text" href="https://doi.org/10.5860%2Flrts.58n3.178">"WorldCat and SkyRiver: a comparison of record quantity and fullness"</a>. <i>Library Resources & Technical Services</i>. <b>58</b> (3): 178–186. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.5860%2Flrts.58n3.178">10.5860/lrts.58n3.178</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Library+Resources+%26+Technical+Services&rft.atitle=WorldCat+and+SkyRiver%3A+a+comparison+of+record+quantity+and+fullness&rft.volume=58&rft.issue=3&rft.pages=178-186&rft.date=2014-07&rft_id=info%3Adoi%2F10.5860%2Flrts.58n3.178&rft.aulast=Blackman&rft.aufirst=Cathy&rft.au=Moore%2C+Erica+Rae&rft.au=Seikel%2C+Michele&rft.au=Smith%2C+Mandi&rft_id=https%3A%2F%2Fdoi.org%2F10.5860%252Flrts.58n3.178&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBreeding2015" class="citation journal cs1">Breeding, Marshall (May 2015). "Library services platforms: a maturing genre of products". <i>Library Technology Reports</i>. <b>51</b> (4): 1–38. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.5860%2Fltr.51n4">10.5860/ltr.51n4</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Library+Technology+Reports&rft.atitle=Library+services+platforms%3A+a+maturing+genre+of+products&rft.volume=51&rft.issue=4&rft.pages=1-38&rft.date=2015-05&rft_id=info%3Adoi%2F10.5860%2Fltr.51n4&rft.aulast=Breeding&rft.aufirst=Marshall&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMatthews2016" class="citation journal cs1">Matthews, Joseph R. (July 2016). <a rel="nofollow" class="external text" href="https://doi.org/10.1080%2F01616846.2016.1210440">"An environmental scan of OCLC alternatives: a management perspective"</a>. <i>Public Library Quarterly</i>. <b>35</b> (3): 175–187. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1080%2F01616846.2016.1210440">10.1080/01616846.2016.1210440</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Public+Library+Quarterly&rft.atitle=An+environmental+scan+of+OCLC+alternatives%3A+a+management+perspective&rft.volume=35&rft.issue=3&rft.pages=175-187&rft.date=2016-07&rft_id=info%3Adoi%2F10.1080%2F01616846.2016.1210440&rft.aulast=Matthews&rft.aufirst=Joseph+R.&rft_id=https%3A%2F%2Fdoi.org%2F10.1080%252F01616846.2016.1210440&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMcKenzie2012" class="citation techreport cs1">McKenzie, Elizabeth (January 2012). <a rel="nofollow" class="external text" href="https://ssrn.com/abstract=1988221"><i>OCLC changes its rules for use of records in WorldCat: library community pushback through blogs and cultures of resistance</i></a> (Technical report). Boston: <a href="/wiki/Suffolk_University_Law_School" title="Suffolk University Law School">Suffolk University Law School</a>. Research paper 12-06.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=report&rft.btitle=OCLC+changes+its+rules+for+use+of+records+in+WorldCat%3A+library+community+pushback+through+blogs+and+cultures+of+resistance&rft.place=Boston&rft.pub=Suffolk+University+Law+School&rft.date=2012-01&rft.aulast=McKenzie&rft.aufirst=Elizabeth&rft_id=https%3A%2F%2Fssrn.com%2Fabstract%3D1988221&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><i>What the OCLC online union catalog means to me: a collection of essays</i>. Dublin, Ohio: OCLC. 1997. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1556532237" title="Special:BookSources/1556532237"><bdi>1556532237</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/37492023">37492023</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=What+the+OCLC+online+union+catalog+means+to+me%3A+a+collection+of+essays&rft.place=Dublin%2C+Ohio&rft.pub=OCLC&rft.date=1997&rft_id=info%3Aoclcnum%2F37492023&rft.isbn=1556532237&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWilson2016" class="citation journal cs1">Wilson, Kristen (August 2016). "The knowledge base at the center of the universe". <i>Library Technology Reports</i>. <b>52</b> (6): 1–35. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.5860%2Fltr.52n6">10.5860/ltr.52n6</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Library+Technology+Reports&rft.atitle=The+knowledge+base+at+the+center+of+the+universe&rft.volume=52&rft.issue=6&rft.pages=1-35&rft.date=2016-08&rft_id=info%3Adoi%2F10.5860%2Fltr.52n6&rft.aulast=Wilson&rft.aufirst=Kristen&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.oclc.org/content/dam/oclc/worldcat/documents/worldcat-data-licensing.pdf">"WorldCat data licensing"</a> <span class="cs1-format">(PDF)</span>. OCLC. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20181231200433/https://www.oclc.org/content/dam/oclc/worldcat/documents/worldcat-data-licensing.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on December 31, 2018<span class="reference-accessdate">. Retrieved <span class="nowrap">December 31,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=WorldCat+data+licensing&rft.pub=OCLC&rft_id=https%3A%2F%2Fwww.oclc.org%2Fcontent%2Fdam%2Foclc%2Fworldcat%2Fdocuments%2Fworldcat-data-licensing.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span> See also: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.oclc.org/developer/develop/data-sets/attribution.en.html">"Data licenses & attribution"</a>. <i>oclc.org</i>. January 14, 2017. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20181231201227/https://www.oclc.org/developer/develop/data-sets/attribution.en.html">Archived</a> from the original on December 31, 2018<span class="reference-accessdate">. Retrieved <span class="nowrap">December 31,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=oclc.org&rft.atitle=Data+licenses+%26+attribution&rft.date=2017-01-14&rft_id=https%3A%2F%2Fwww.oclc.org%2Fdeveloper%2Fdevelop%2Fdata-sets%2Fattribution.en.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span> Information about licensing of WorldCat records and some other OCLC data.</li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WorldCat&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png" decoding="async" width="40" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/60px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/80px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></span></span></div> <div class="side-box-text plainlist"><a href="/wiki/Wikidata" title="Wikidata">Wikidata</a> has the properties: <ul><li><span class="mw-valign-middle" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/4px-Disc_Plain_blue_dark.svg.png" decoding="async" width="4" height="4" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/6px-Disc_Plain_blue_dark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/8px-Disc_Plain_blue_dark.svg.png 2x" data-file-width="460" data-file-height="460" /></span></span> <b><i><a href="https://www.wikidata.org/wiki/Property_talk:P243" class="extiw" title="d:Property talk:P243">OCLC control number (P243)</a></i></b> (see <span class="plainlinks"><a class="external text" href="https://query.wikidata.org/embed.html#SELECT%20%3FWikidata_item_%20%3FWikidata_item_Label%20%3Fvalue%20%3FvalueLabel%20%3FEnglish_Wikipedia_article%20%23Show%20data%20in%20this%20order%0A%7B%0A%09%3FWikidata_item_%20wdt%3AP243%20%3Fvalue%20.%20%23Collecting%20all%20items%20which%20have%20P243%20data%2C%20from%20whole%20Wikidata%20item%20pages%0A%09OPTIONAL%20%7B%3FEnglish_Wikipedia_article%20schema%3Aabout%20%3FWikidata_item_%3B%20schema%3AisPartOf%20%3Chttps%3A%2F%2Fen.wikipedia.org%2F%3E%20.%7D%20%23If%20collected%20item%20has%20link%20to%20English%20Wikipedia%2C%20show%20that%0A%09SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22en%22%20%20%7D%20%23Show%20label%20in%20this%20language.%20%22en%22%20is%20English.%20%20%20%0A%7D%0ALIMIT%201000">uses</a></span>)</li><li><span class="mw-valign-middle" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/4px-Disc_Plain_blue_dark.svg.png" decoding="async" width="4" height="4" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/6px-Disc_Plain_blue_dark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/8px-Disc_Plain_blue_dark.svg.png 2x" data-file-width="460" data-file-height="460" /></span></span> <b><i><a href="https://www.wikidata.org/wiki/Property_talk:P5331" class="extiw" title="d:Property talk:P5331">OCLC work ID (P5331)</a></i></b> (see <span class="plainlinks"><a class="external text" href="https://query.wikidata.org/embed.html#SELECT%20%3FWikidata_item_%20%3FWikidata_item_Label%20%3Fvalue%20%3FvalueLabel%20%3FEnglish_Wikipedia_article%20%23Show%20data%20in%20this%20order%0A%7B%0A%09%3FWikidata_item_%20wdt%3AP5331%20%3Fvalue%20.%20%23Collecting%20all%20items%20which%20have%20P5331%20data%2C%20from%20whole%20Wikidata%20item%20pages%0A%09OPTIONAL%20%7B%3FEnglish_Wikipedia_article%20schema%3Aabout%20%3FWikidata_item_%3B%20schema%3AisPartOf%20%3Chttps%3A%2F%2Fen.wikipedia.org%2F%3E%20.%7D%20%23If%20collected%20item%20has%20link%20to%20English%20Wikipedia%2C%20show%20that%0A%09SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22en%22%20%20%7D%20%23Show%20label%20in%20this%20language.%20%22en%22%20is%20English.%20%20%20%0A%7D%0ALIMIT%201000">uses</a></span>)</li><li><span class="mw-valign-middle" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/4px-Disc_Plain_blue_dark.svg.png" decoding="async" width="4" height="4" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/6px-Disc_Plain_blue_dark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/8px-Disc_Plain_blue_dark.svg.png 2x" data-file-width="460" data-file-height="460" /></span></span> <b><i><a href="https://www.wikidata.org/wiki/Property_talk:P7859" class="extiw" title="d:Property talk:P7859">NO LABEL (P7859)</a></i></b> (see <span class="plainlinks"><a class="external text" href="https://query.wikidata.org/embed.html#SELECT%20%3FWikidata_item_%20%3FWikidata_item_Label%20%3Fvalue%20%3FvalueLabel%20%3FEnglish_Wikipedia_article%20%23Show%20data%20in%20this%20order%0A%7B%0A%09%3FWikidata_item_%20wdt%3AP7859%20%3Fvalue%20.%20%23Collecting%20all%20items%20which%20have%20P7859%20data%2C%20from%20whole%20Wikidata%20item%20pages%0A%09OPTIONAL%20%7B%3FEnglish_Wikipedia_article%20schema%3Aabout%20%3FWikidata_item_%3B%20schema%3AisPartOf%20%3Chttps%3A%2F%2Fen.wikipedia.org%2F%3E%20.%7D%20%23If%20collected%20item%20has%20link%20to%20English%20Wikipedia%2C%20show%20that%0A%09SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22en%22%20%20%7D%20%23Show%20label%20in%20this%20language.%20%22en%22%20is%20English.%20%20%20%0A%7D%0ALIMIT%201000">uses</a></span>)</li><li><span class="mw-valign-middle" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/4px-Disc_Plain_blue_dark.svg.png" decoding="async" width="4" height="4" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/6px-Disc_Plain_blue_dark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/8px-Disc_Plain_blue_dark.svg.png 2x" data-file-width="460" data-file-height="460" /></span></span> <b><i><a href="https://www.wikidata.org/wiki/Property_talk:P10832" class="extiw" title="d:Property talk:P10832">WorldCat Entities ID (P10832)</a></i></b> (see <span class="plainlinks"><a class="external text" href="https://query.wikidata.org/embed.html#SELECT%20%3FWikidata_item_%20%3FWikidata_item_Label%20%3Fvalue%20%3FvalueLabel%20%3FEnglish_Wikipedia_article%20%23Show%20data%20in%20this%20order%0A%7B%0A%09%3FWikidata_item_%20wdt%3AP10832%20%3Fvalue%20.%20%23Collecting%20all%20items%20which%20have%20P10832%20data%2C%20from%20whole%20Wikidata%20item%20pages%0A%09OPTIONAL%20%7B%3FEnglish_Wikipedia_article%20schema%3Aabout%20%3FWikidata_item_%3B%20schema%3AisPartOf%20%3Chttps%3A%2F%2Fen.wikipedia.org%2F%3E%20.%7D%20%23If%20collected%20item%20has%20link%20to%20English%20Wikipedia%2C%20show%20that%0A%09SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22en%22%20%20%7D%20%23Show%20label%20in%20this%20language.%20%22en%22%20is%20English.%20%20%20%0A%7D%0ALIMIT%201000">uses</a></span>)</li></ul></div></div> </div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://search.worldcat.org/">Official website</a></span></span> <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q846596#P856" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.oclc.org/en/worldcat.html">"WorldCat"</a>. oclc.org<span class="reference-accessdate">. Retrieved <span class="nowrap">December 31,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=WorldCat&rft.pub=oclc.org&rft_id=https%3A%2F%2Fwww.oclc.org%2Fen%2Fworldcat.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span> Information on the OCLC website about WorldCat.</li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.oclc.org/bibformats/en.html">"Bibliographic Formats and Standards"</a>. oclc.org<span class="reference-accessdate">. Retrieved <span class="nowrap">December 31,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Bibliographic+Formats+and+Standards&rft.pub=oclc.org&rft_id=https%3A%2F%2Fwww.oclc.org%2Fbibformats%2Fen.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.worldcat.org/identities/">"WorldCat Identities"</a>. worldcat.org<span class="reference-accessdate">. Retrieved <span class="nowrap">December 31,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=WorldCat+Identities&rft.pub=worldcat.org&rft_id=https%3A%2F%2Fwww.worldcat.org%2Fidentities%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWorldCat" class="Z3988"></span></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output 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srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">International</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/176058852">VIAF</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://id.worldcat.org/fast/1398494/">FAST</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 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