CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available" lang="cy" dir="ltr"> <head> <meta charset="UTF-8"> <title>Llyfrgell y Gyngres - Wicipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )cywikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy" ,"wgMonthNames":["","Ionawr","Chwefror","Mawrth","Ebrill","Mai","Mehefin","Gorffennaf","Awst","Medi","Hydref","Tachwedd","Rhagfyr"],"wgRequestId":"6f384e42-a397-4277-9c41-34a5b6125490","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Llyfrgell_y_Gyngres","wgTitle":"Llyfrgell y Gyngres","wgCurRevisionId":7929619,"wgRevisionId":7929619,"wgArticleId":63703,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Tudalennau gyda meysydd deublyg yn y Nodion","Pages using the JsonConfig extension","Erthyglau sy'n defnyddio Nodyn Gwybodlen lle Wicidata","Erthyglau sy'n cynnwys testun Saesneg","Pages using the Kartographer extension","Egin Washington, D.C.","Adeiladau ac adeiladwaith yn Washington, D.C.","Cyngres yr Unol Daleithiau","Llyfrgelloedd yr Unol Daleithiau","Sefydliadau 1800","Llyfrgelloedd cenedlaethol"],"wgPageViewLanguage":"cy","wgPageContentLanguage":"cy","wgPageContentModel": "wikitext","wgRelevantPageName":"Llyfrgell_y_Gyngres","wgRelevantArticleId":63703,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgRedirectedFrom":"Library_of_Congress_Control_Number","wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"cy","pageLanguageDir":"ltr","pageVariantFallbacks":"cy"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":700,"wgInternalRedirectTargetUrl":"/wiki/Llyfrgell_y_Gyngres","wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q131454", "wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.kartographer.style":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["mediawiki.action.view.redirect","ext.kartographer.staticframe","site","mediawiki.page.ready","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp", "ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=cy&modules=ext.kartographer.style%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=cy&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=cy&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/c/cf/Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="823"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg/800px-Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="549"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg/640px-Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="439"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Llyfrgell y Gyngres - Wicipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//cy.m.wikipedia.org/wiki/Llyfrgell_y_Gyngres"> <link rel="alternate" type="application/x-wiki" title="Golygu" href="/w/index.php?title=Llyfrgell_y_Gyngres&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wicipedia (cy)"> <link rel="EditURI" type="application/rsd+xml" href="//cy.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://cy.wikipedia.org/wiki/Llyfrgell_y_Gyngres"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.cy"> <link rel="alternate" type="application/atom+xml" title="Ffrwd Atom Wicipedia" href="/w/index.php?title=Arbennig:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Llyfrgell_y_Gyngres rootpage-Llyfrgell_y_Gyngres skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Neidio i'r cynnwys</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Safle"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Prif ddewislen" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Prif ddewislen</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Prif ddewislen</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">cuddio</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Panel llywio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/Hafan" title="Ymweld â'r Hafan [z]" accesskey="z"><span>Hafan</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wicipedia:Porth_y_Gymuned" title="Pethau i'w gwneud, adnoddau a thudalennau'r gymuned"><span>Porth y Gymuned</span></a></li><li id="n-cafe" class="mw-list-item"><a href="/wiki/Wicipedia:Y_Caffi"><span>Y Caffi</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Categori:Materion_cyfoes" title="Gwybodaeth yn gysylltiedig â materion cyfoes"><span>Materion cyfoes</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Arbennig:RecentChanges" title="Rhestr y newidiadau diweddar ar y wici. [r]" accesskey="r"><span>Newidiadau diweddar</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Arbennig:Random" title="Llwytho tudalen ar hap [x]" accesskey="x"><span>Erthygl ar hap</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wicipedia:Cymorth" title="Tudalennau cymorth"><span>Cymorth</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Hafan" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wicipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-cy.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-cy.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Arbennig:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Chwilio Wicipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Chwilio</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Chwilio Wicipedia" aria-label="Chwilio Wicipedia" autocapitalize="sentences" title="Chwilio Wicipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Arbennig:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Chwilio</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Offer personol"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Newidiwch ymddangosiad maint ffont, lled a lliw y dudalen" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Gwedd" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Gwedd</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cy.wikipedia.org&uselang=cy" class=""><span>Rhoi</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Arbennig:CreateAccount&returnto=Llyfrgell+y+Gyngres" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol" class=""><span>Creu cyfrif</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Arbennig:UserLogin&returnto=Llyfrgell+y+Gyngres" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o" class=""><span>Mewngofnodi</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Rhagor o opsiynau" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Offer personol" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Offer personol</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Dewislen defnyddiwr" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cy.wikipedia.org&uselang=cy"><span>Rhoi</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:CreateAccount&returnto=Llyfrgell+y+Gyngres" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Creu cyfrif</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:UserLogin&returnto=Llyfrgell+y+Gyngres" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Mewngofnodi</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Tudalennau ar gyfer golygyddion allgofnodedig <a href="/wiki/Cymorth:Cyflwyniad" aria-label="Dysgu mwy am olygu"><span>dysgu mwy</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Arbennig:MyContributions" title="Rhestr golygiadau o'r cyfeiriad IP hwn [y]" accesskey="y"><span>Cyfraniadau</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Arbennig:MyTalk" title="Sgwrs ynglŷn â golygiadau o'r cyfeiriad IP hwn [n]" accesskey="n"><span>Sgwrs</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Safle"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Cynnwys" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Cynnwys</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">cuddio</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Y dechrau</div> </a> </li> <li id="toc-Dolenni_allanol" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Dolenni_allanol"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Dolenni allanol</span> </div> </a> <ul id="toc-Dolenni_allanol-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Cynnwys" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toglo'r tabl cynnwys" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toglo'r tabl cynnwys</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Llyfrgell y Gyngres</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ewch i erthygl mewn iaith arall. Ar gael mewn 92 iaith" > <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-92" 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">92 iaith</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/Biblioteek_van_die_VSA-kongres" title="Biblioteek van die VSA-kongres - Affricaneg" lang="af" hreflang="af" data-title="Biblioteek van die VSA-kongres" data-language-autonym="Afrikaans" data-language-local-name="Affricaneg" 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/Library_of_Congress" title="Library of Congress - Almaeneg y Swistir" lang="gsw" hreflang="gsw" data-title="Library of Congress" data-language-autonym="Alemannisch" data-language-local-name="Almaeneg y Swistir" 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%85%D9%83%D8%AA%D8%A8%D8%A9_%D8%A7%D9%84%D9%83%D9%88%D9%86%D8%BA%D8%B1%D8%B3" title="مكتبة الكونغرس - Arabeg" lang="ar" hreflang="ar" data-title="مكتبة الكونغرس" data-language-autonym="العربية" data-language-local-name="Arabeg" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%85%D9%83%D8%AA%D8%A8%D8%A9_%D8%A7%D9%84%D9%83%D9%88%D9%86%D8%AC%D8%B1%D8%B3" title="مكتبة الكونجرس - Arabeg yr Aifft" lang="arz" hreflang="arz" data-title="مكتبة الكونجرس" data-language-autonym="مصرى" data-language-local-name="Arabeg yr Aifft" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%A6%E0%A7%8D%E0%A6%AF_%E0%A6%B2%E0%A6%BE%E0%A6%87%E0%A6%AC%E0%A7%8D%E0%A7%B0%E0%A7%87%E0%A7%B0%E0%A7%80_%E0%A6%85%E0%A6%AC%E0%A7%8D_%E0%A6%95%E0%A6%82%E0%A6%97%E0%A7%8D%E0%A7%B0%E0%A7%87%E0%A6%9B" title="দ্য লাইব্ৰেৰী অব্ কংগ্ৰেছ - Asameg" lang="as" hreflang="as" data-title="দ্য লাইব্ৰেৰী অব্ কংগ্ৰেছ" data-language-autonym="অসমীয়া" data-language-local-name="Asameg" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Biblioteca_del_Congresu_d%27Estaos_Xun%C3%ADos" title="Biblioteca del Congresu d'Estaos Xuníos - Astwrianeg" lang="ast" hreflang="ast" data-title="Biblioteca del Congresu d'Estaos Xuníos" data-language-autonym="Asturianu" data-language-local-name="Astwrianeg" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Konqres_Kitabxanas%C4%B1" title="Konqres Kitabxanası - Aserbaijaneg" lang="az" hreflang="az" data-title="Konqres Kitabxanası" data-language-autonym="Azərbaycanca" data-language-local-name="Aserbaijaneg" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D1%81_%D0%BA%D0%B8%D1%82%D0%B0%D0%BF%D1%85%D0%B0%D0%BD%D0%B0%D2%BB%D1%8B" title="Конгресс китапханаһы - Bashcorteg" lang="ba" hreflang="ba" data-title="Конгресс китапханаһы" data-language-autonym="Башҡортса" data-language-local-name="Bashcorteg" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%91%D1%96%D0%B1%D0%BB%D1%96%D1%8F%D1%82%D1%8D%D0%BA%D0%B0_%D0%9A%D0%B0%D0%BD%D0%B3%D1%80%D1%8D%D1%81%D0%B0" title="Бібліятэка Кангрэса - Belarwseg" lang="be" hreflang="be" data-title="Бібліятэка Кангрэса" data-language-autonym="Беларуская" data-language-local-name="Belarwseg" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%91%D1%96%D0%B1%D0%BB%D1%96%D1%8F%D1%82%D1%8D%D0%BA%D0%B0_%D0%9A%D0%B0%D0%BD%D0%B3%D1%80%D1%8D%D1%81%D1%83" title="Бібліятэка Кангрэсу - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Бібліятэка Кангрэсу" 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-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%91%D0%B8%D0%B1%D0%BB%D0%B8%D0%BE%D1%82%D0%B5%D0%BA%D0%B0_%D0%BD%D0%B0_%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D0%B0" title="Библиотека на Конгреса - Bwlgareg" lang="bg" hreflang="bg" data-title="Библиотека на Конгреса" data-language-autonym="Български" data-language-local-name="Bwlgareg" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B2%E0%A6%BE%E0%A6%87%E0%A6%AC%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%B0%E0%A6%BF_%E0%A6%85%E0%A6%AC_%E0%A6%95%E0%A6%82%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A7%87%E0%A6%B8" title="লাইব্রেরি অব কংগ্রেস - Bengaleg" lang="bn" hreflang="bn" data-title="লাইব্রেরি অব কংগ্রেস" data-language-autonym="বাংলা" data-language-local-name="Bengaleg" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Library_of_Congress" title="Library of Congress - Llydaweg" lang="br" hreflang="br" data-title="Library of Congress" data-language-autonym="Brezhoneg" data-language-local-name="Llydaweg" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Kongresna_biblioteka" title="Kongresna biblioteka - Bosnieg" lang="bs" hreflang="bs" data-title="Kongresna biblioteka" data-language-autonym="Bosanski" data-language-local-name="Bosnieg" 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/Biblioteca_del_Congr%C3%A9s_dels_Estats_Units" title="Biblioteca del Congrés dels Estats Units - Catalaneg" lang="ca" hreflang="ca" data-title="Biblioteca del Congrés dels Estats Units" data-language-autonym="Català" data-language-local-name="Catalaneg" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D1%81%D0%B0%D0%BD_%D0%B1%D0%B8%D0%B1%D0%BB%D0%B8%D0%BE%D1%82%D0%B5%D0%BA%D0%B0" title="Конгрессан библиотека - Tsietsieneg" lang="ce" hreflang="ce" data-title="Конгрессан библиотека" data-language-autonym="Нохчийн" data-language-local-name="Tsietsieneg" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%A9%D8%AA%DB%8E%D8%A8%D8%AE%D8%A7%D9%86%DB%95%DB%8C_%DA%A9%DB%86%D9%86%DA%AF%D8%B1%DB%95" title="کتێبخانەی کۆنگرە - Cwrdeg Sorani" lang="ckb" hreflang="ckb" data-title="کتێبخانەی کۆنگرە" data-language-autonym="کوردی" data-language-local-name="Cwrdeg Sorani" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Knihovna_Kongresu" title="Knihovna Kongresu - Tsieceg" lang="cs" hreflang="cs" data-title="Knihovna Kongresu" data-language-autonym="Čeština" data-language-local-name="Tsieceg" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-csb mw-list-item"><a href="https://csb.wikipedia.org/wiki/Bibloteka_Kongresu" title="Bibloteka Kongresu - Kashubian" lang="csb" hreflang="csb" data-title="Bibloteka Kongresu" data-language-autonym="Kaszëbsczi" data-language-local-name="Kashubian" class="interlanguage-link-target"><span>Kaszëbsczi</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Library_of_Congress" title="Library of Congress - Daneg" lang="da" hreflang="da" data-title="Library of Congress" data-language-autonym="Dansk" data-language-local-name="Daneg" 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/Library_of_Congress" title="Library of Congress - Almaeneg" lang="de" hreflang="de" data-title="Library of Congress" data-language-autonym="Deutsch" data-language-local-name="Almaeneg" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Kut%C4%B1bxaney_Kongrey" title="Kutıbxaney Kongrey - Zazaki" lang="diq" hreflang="diq" data-title="Kutıbxaney Kongrey" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%92%CE%B9%CE%B2%CE%BB%CE%B9%CE%BF%CE%B8%CE%AE%CE%BA%CE%B7_%CF%84%CE%BF%CF%85_%CE%9A%CE%BF%CE%B3%CE%BA%CF%81%CE%AD%CF%83%CE%BF%CF%85" title="Βιβλιοθήκη του Κογκρέσου - Groeg" lang="el" hreflang="el" data-title="Βιβλιοθήκη του Κογκρέσου" data-language-autonym="Ελληνικά" data-language-local-name="Groeg" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Library_of_Congress" title="Library of Congress - Saesneg" lang="en" hreflang="en" data-title="Library of Congress" data-language-autonym="English" data-language-local-name="Saesneg" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kongresa_Biblioteko_de_Usono" title="Kongresa Biblioteko de Usono - Esperanto" lang="eo" hreflang="eo" data-title="Kongresa Biblioteko de Usono" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Biblioteca_del_Congreso_de_Estados_Unidos" title="Biblioteca del Congreso de Estados Unidos - Sbaeneg" lang="es" hreflang="es" data-title="Biblioteca del Congreso de Estados Unidos" data-language-autonym="Español" data-language-local-name="Sbaeneg" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Ameerika_%C3%9Chendriikide_Kongressi_raamatukogu" title="Ameerika Ühendriikide Kongressi raamatukogu - Estoneg" lang="et" hreflang="et" data-title="Ameerika Ühendriikide Kongressi raamatukogu" data-language-autonym="Eesti" data-language-local-name="Estoneg" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Ameriketako_Estatu_Batuetako_Kongresuaren_Liburutegia" title="Ameriketako Estatu Batuetako Kongresuaren Liburutegia - Basgeg" lang="eu" hreflang="eu" data-title="Ameriketako Estatu Batuetako Kongresuaren Liburutegia" data-language-autonym="Euskara" data-language-local-name="Basgeg" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%D8%AA%D8%A7%D8%A8%D8%AE%D8%A7%D9%86%D9%87_%DA%A9%D9%86%DA%AF%D8%B1%D9%87" title="کتابخانه کنگره - Perseg" lang="fa" hreflang="fa" data-title="کتابخانه کنگره" data-language-autonym="فارسی" data-language-local-name="Perseg" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Kongressin_kirjasto" title="Kongressin kirjasto - Ffinneg" lang="fi" hreflang="fi" data-title="Kongressin kirjasto" data-language-autonym="Suomi" data-language-local-name="Ffinneg" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Biblioth%C3%A8que_du_Congr%C3%A8s" title="Bibliothèque du Congrès - Ffrangeg" lang="fr" hreflang="fr" data-title="Bibliothèque du Congrès" data-language-autonym="Français" data-language-local-name="Ffrangeg" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Library_of_Congress" title="Library of Congress - Ffriseg y Gorllewin" lang="fy" hreflang="fy" data-title="Library of Congress" data-language-autonym="Frysk" data-language-local-name="Ffriseg y Gorllewin" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Leabharlann_na_Comhdh%C3%A1la" title="Leabharlann na Comhdhála - Gwyddeleg" lang="ga" hreflang="ga" data-title="Leabharlann na Comhdhála" data-language-autonym="Gaeilge" data-language-local-name="Gwyddeleg" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Biblioteca_do_Congreso_dos_Estados_Unidos_de_Am%C3%A9rica" title="Biblioteca do Congreso dos Estados Unidos de América - Galisieg" lang="gl" hreflang="gl" data-title="Biblioteca do Congreso dos Estados Unidos de América" data-language-autonym="Galego" data-language-local-name="Galisieg" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A1%D7%A4%D7%A8%D7%99%D7%99%D7%AA_%D7%94%D7%A7%D7%95%D7%A0%D7%92%D7%A8%D7%A1" title="ספריית הקונגרס - Hebraeg" lang="he" hreflang="he" data-title="ספריית הקונגרס" data-language-autonym="עברית" data-language-local-name="Hebraeg" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Kongresna_knji%C5%BEnica" title="Kongresna knjižnica - Croateg" lang="hr" hreflang="hr" data-title="Kongresna knjižnica" data-language-autonym="Hrvatski" data-language-local-name="Croateg" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Kongresszusi_K%C3%B6nyvt%C3%A1r" title="Kongresszusi Könyvtár - Hwngareg" lang="hu" hreflang="hu" data-title="Kongresszusi Könyvtár" data-language-autonym="Magyar" data-language-local-name="Hwngareg" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BF%D5%B8%D5%B6%D5%A3%D6%80%D5%A5%D5%BD%D5%AB_%D5%A3%D6%80%D5%A1%D5%A4%D5%A1%D6%80%D5%A1%D5%B6" title="Կոնգրեսի գրադարան - Armeneg" lang="hy" hreflang="hy" data-title="Կոնգրեսի գրադարան" data-language-autonym="Հայերեն" data-language-local-name="Armeneg" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Perpustakaan_Kongres_Amerika_Serikat" title="Perpustakaan Kongres Amerika Serikat - Indoneseg" lang="id" hreflang="id" data-title="Perpustakaan Kongres Amerika Serikat" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indoneseg" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Biblioteko_di_Kongreso" title="Biblioteko di Kongreso - Ido" lang="io" hreflang="io" data-title="Biblioteko di Kongreso" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Biblioteca_del_Congresso" title="Biblioteca del Congresso - Eidaleg" lang="it" hreflang="it" data-title="Biblioteca del Congresso" data-language-autonym="Italiano" data-language-local-name="Eidaleg" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A2%E3%83%A1%E3%83%AA%E3%82%AB%E8%AD%B0%E4%BC%9A%E5%9B%B3%E6%9B%B8%E9%A4%A8" title="アメリカ議会図書館 - Japaneeg" lang="ja" hreflang="ja" data-title="アメリカ議会図書館" data-language-autonym="日本語" data-language-local-name="Japaneeg" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Library_of_Congress" title="Library of Congress - Jafanaeg" lang="jv" hreflang="jv" data-title="Library of Congress" data-language-autonym="Jawa" data-language-local-name="Jafanaeg" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%9D%E1%83%9C%E1%83%92%E1%83%A0%E1%83%94%E1%83%A1%E1%83%98%E1%83%A1_%E1%83%91%E1%83%98%E1%83%91%E1%83%9A%E1%83%98%E1%83%9D%E1%83%97%E1%83%94%E1%83%99%E1%83%90" title="კონგრესის ბიბლიოთეკა - Georgeg" lang="ka" hreflang="ka" data-title="კონგრესის ბიბლიოთეკა" data-language-autonym="ქართული" data-language-local-name="Georgeg" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D1%81_%D0%BA%D1%96%D1%82%D0%B0%D0%BF%D1%85%D0%B0%D0%BD%D0%B0%D1%81%D1%8B" title="Конгресс кітапханасы - Casacheg" lang="kk" hreflang="kk" data-title="Конгресс кітапханасы" data-language-autonym="Қазақша" data-language-local-name="Casacheg" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%AF%B8%EA%B5%AD_%EC%9D%98%ED%9A%8C%EB%8F%84%EC%84%9C%EA%B4%80" title="미국 의회도서관 - Coreeg" lang="ko" hreflang="ko" data-title="미국 의회도서관" data-language-autonym="한국어" data-language-local-name="Coreeg" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Pirt%C3%BBkxaneya_Kongrey%C3%AA" title="Pirtûkxaneya Kongreyê - Cwrdeg" lang="ku" hreflang="ku" data-title="Pirtûkxaneya Kongreyê" data-language-autonym="Kurdî" data-language-local-name="Cwrdeg" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Lyverva_Kuntelles" title="Lyverva Kuntelles - Cernyweg" lang="kw" hreflang="kw" data-title="Lyverva Kuntelles" data-language-autonym="Kernowek" data-language-local-name="Cernyweg" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Bibliotheca_Congressus_Civitatum_Foederatarum" title="Bibliotheca Congressus Civitatum Foederatarum - Lladin" lang="la" hreflang="la" data-title="Bibliotheca Congressus Civitatum Foederatarum" data-language-autonym="Latina" data-language-local-name="Lladin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Library_of_Congress" title="Library of Congress - Lwcsembwrgeg" lang="lb" hreflang="lb" data-title="Library of Congress" data-language-autonym="Lëtzebuergesch" data-language-local-name="Lwcsembwrgeg" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Biblioteca_de_la_Congresa" title="Biblioteca de la Congresa - Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Biblioteca de la Congresa" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Kongreso_biblioteka" title="Kongreso biblioteka - Lithwaneg" lang="lt" hreflang="lt" data-title="Kongreso biblioteka" data-language-autonym="Lietuvių" data-language-local-name="Lithwaneg" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Kongresa_bibliot%C4%93ka" title="Kongresa bibliotēka - Latfieg" lang="lv" hreflang="lv" data-title="Kongresa bibliotēka" data-language-autonym="Latviešu" data-language-local-name="Latfieg" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D0%BD%D0%B0_%D0%B1%D0%B8%D0%B1%D0%BB%D0%B8%D0%BE%D1%82%D0%B5%D0%BA%D0%B0" title="Конгресна библиотека - Macedoneg" lang="mk" hreflang="mk" data-title="Конгресна библиотека" data-language-autonym="Македонски" data-language-local-name="Macedoneg" 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%B2%E0%B5%88%E0%B4%AC%E0%B5%8D%E0%B4%B0%E0%B4%B1%E0%B4%BF_%E0%B4%93%E0%B4%AB%E0%B5%8D_%E0%B4%95%E0%B5%8B%E0%B5%BA%E0%B4%97%E0%B5%8D%E0%B4%B0%E0%B4%B8%E0%B5%8D%E0%B4%B8%E0%B5%8D" title="ലൈബ്രറി ഓഫ് കോൺഗ്രസ്സ് - Malayalam" lang="ml" hreflang="ml" data-title="ലൈബ്രറി ഓഫ് കോൺഗ്രസ്സ്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%90%D0%9D%D0%A3-%D1%8B%D0%BD_%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D1%81%D1%8B%D0%BD_%D0%BD%D0%BE%D0%BC%D1%8B%D0%BD_%D1%81%D0%B0%D0%BD" title="АНУ-ын Конгрессын номын сан - Mongoleg" lang="mn" hreflang="mn" data-title="АНУ-ын Конгрессын номын сан" data-language-autonym="Монгол" data-language-local-name="Mongoleg" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Perpustakaan_Kongres_Amerika_Syarikat" title="Perpustakaan Kongres Amerika Syarikat - Maleieg" lang="ms" hreflang="ms" data-title="Perpustakaan Kongres Amerika Syarikat" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleieg" 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/Library_of_Congress" title="Library of Congress - Iseldireg" lang="nl" hreflang="nl" data-title="Library of Congress" data-language-autonym="Nederlands" data-language-local-name="Iseldireg" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Kongressbiblioteket_i_USA" title="Kongressbiblioteket i USA - Norwyeg Nynorsk" lang="nn" hreflang="nn" data-title="Kongressbiblioteket i USA" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwyeg Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Library_of_Congress" title="Library of Congress - Norwyeg Bokmål" lang="nb" hreflang="nb" data-title="Library of Congress" data-language-autonym="Norsk bokmål" data-language-local-name="Norwyeg Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Bibliot%C3%A8ca_dau_Congr%C3%A8s" title="Bibliotèca dau Congrès - Ocsitaneg" lang="oc" hreflang="oc" data-title="Bibliotèca dau Congrès" data-language-autonym="Occitan" data-language-local-name="Ocsitaneg" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%95%E0%A8%BE%E0%A8%82%E0%A8%97%E0%A8%B0%E0%A8%B8_%E0%A8%A6%E0%A9%80_%E0%A8%B2%E0%A8%BE%E0%A8%87%E0%A8%AC%E0%A9%8D%E0%A8%B0%E0%A9%87%E0%A8%B0%E0%A9%80" title="ਕਾਂਗਰਸ ਦੀ ਲਾਇਬ੍ਰੇਰੀ - Pwnjabeg" lang="pa" hreflang="pa" data-title="ਕਾਂਗਰਸ ਦੀ ਲਾਇਬ੍ਰੇਰੀ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Pwnjabeg" 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/Biblioteka_Kongresu" title="Biblioteka Kongresu - Pwyleg" lang="pl" hreflang="pl" data-title="Biblioteka Kongresu" data-language-autonym="Polski" data-language-local-name="Pwyleg" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%DA%A9%D8%A7%D9%86%DA%AF%D8%B1%D8%B3_%D9%84%D8%A7%D8%A6%DB%8C%D8%A8%D8%B1%DB%8C%D8%B1%DB%8C" title="کانگرس لائیبریری - Western Punjabi" lang="pnb" hreflang="pnb" data-title="کانگرس لائیبریری" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%DA%A9%D8%A7%D9%86%DA%AB%D8%B1%D8%B3_%DA%A9%D8%AA%D8%A7%D8%A8%D8%AA%D9%88%D9%86" title="کانګرس کتابتون - Pashto" lang="ps" hreflang="ps" data-title="کانګرس کتابتون" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Biblioteca_do_Congresso" title="Biblioteca do Congresso - Portiwgaleg" lang="pt" hreflang="pt" data-title="Biblioteca do Congresso" data-language-autonym="Português" data-language-local-name="Portiwgaleg" 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/Biblioteca_Congresului_Statelor_Unite_ale_Americii" title="Biblioteca Congresului Statelor Unite ale Americii - Rwmaneg" lang="ro" hreflang="ro" data-title="Biblioteca Congresului Statelor Unite ale Americii" data-language-autonym="Română" data-language-local-name="Rwmaneg" 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/%D0%91%D0%B8%D0%B1%D0%BB%D0%B8%D0%BE%D1%82%D0%B5%D0%BA%D0%B0_%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D1%81%D0%B0" title="Библиотека Конгресса - Rwseg" lang="ru" hreflang="ru" data-title="Библиотека Конгресса" data-language-autonym="Русский" data-language-local-name="Rwseg" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Kongresna_biblioteka" title="Kongresna biblioteka - Serbo-Croateg" lang="sh" hreflang="sh" data-title="Kongresna biblioteka" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croateg" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B7%9C%E0%B6%B1%E0%B7%8A%E0%B6%9C%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B7%83%E0%B7%8A_%E0%B6%B4%E0%B7%94%E0%B7%83%E0%B7%8A%E0%B6%AD%E0%B6%9A%E0%B7%8F%E0%B6%BD%E0%B6%BA" title="කොන්ග්‍රස් පුස්තකාලය - Sinhaleg" lang="si" hreflang="si" data-title="කොන්ග්‍රස් පුස්තකාලය" data-language-autonym="සිංහල" data-language-local-name="Sinhaleg" 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/Library_of_Congress" title="Library of Congress - Simple English" lang="en-simple" hreflang="en-simple" data-title="Library of Congress" 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/Library_of_Congress" title="Library of Congress - Slofaceg" lang="sk" hreflang="sk" data-title="Library of Congress" data-language-autonym="Slovenčina" data-language-local-name="Slofaceg" 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/Kongresna_knji%C5%BEnica" title="Kongresna knjižnica - Slofeneg" lang="sl" hreflang="sl" data-title="Kongresna knjižnica" data-language-autonym="Slovenščina" data-language-local-name="Slofeneg" 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/%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D0%BD%D0%B0_%D0%B1%D0%B8%D0%B1%D0%BB%D0%B8%D0%BE%D1%82%D0%B5%D0%BA%D0%B0" title="Конгресна библиотека - Serbeg" lang="sr" hreflang="sr" data-title="Конгресна библиотека" data-language-autonym="Српски / srpski" data-language-local-name="Serbeg" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/USA:s_kongressbibliotek" title="USA:s kongressbibliotek - Swedeg" lang="sv" hreflang="sv" data-title="USA:s kongressbibliotek" data-language-autonym="Svenska" data-language-local-name="Swedeg" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%AE%E0%AF%86%E0%AE%B0%E0%AE%BF%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%95%E0%AF%8D_%E0%AE%95%E0%AE%BE%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AE%BF%E0%AE%B0%E0%AE%9A%E0%AF%81_%E0%AE%A8%E0%AF%82%E0%AE%B2%E0%AE%95%E0%AE%AE%E0%AF%8D" title="அமெரிக்கக் காங்கிரசு நூலகம் - Tamileg" lang="ta" hreflang="ta" data-title="அமெரிக்கக் காங்கிரசு நூலகம்" data-language-autonym="தமிழ்" data-language-local-name="Tamileg" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AF%E0%B1%81%E0%B0%A8%E0%B1%88%E0%B0%9F%E0%B1%86%E0%B0%A1%E0%B1%8D_%E0%B0%B8%E0%B1%8D%E0%B0%9F%E0%B1%87%E0%B0%9F%E0%B1%8D%E0%B0%B8%E0%B1%8D_%E0%B0%B2%E0%B1%88%E0%B0%AC%E0%B1%8D%E0%B0%B0%E0%B0%B0%E0%B1%80_%E0%B0%86%E0%B0%AB%E0%B1%8D_%E0%B0%95%E0%B0%BE%E0%B0%82%E0%B0%97%E0%B1%8D%E0%B0%B0%E0%B1%86%E0%B0%B8%E0%B1%8D" title="యునైటెడ్ స్టేట్స్ లైబ్రరీ ఆఫ్ కాంగ్రెస్ - Telugu" lang="te" hreflang="te" data-title="యునైటెడ్ స్టేట్స్ లైబ్రరీ ఆఫ్ కాంగ్రెస్" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9A%D0%B8%D1%82%D0%BE%D0%B1%D1%85%D0%BE%D0%BD%D0%B0%D0%B8_%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D1%81" title="Китобхонаи Конгресс - Tajiceg" lang="tg" hreflang="tg" data-title="Китобхонаи Конгресс" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajiceg" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AB%E0%B8%AD%E0%B8%AA%E0%B8%A1%E0%B8%B8%E0%B8%94%E0%B8%A3%E0%B8%B1%E0%B8%90%E0%B8%AA%E0%B8%A0%E0%B8%B2" title="หอสมุดรัฐสภา - Thai" lang="th" hreflang="th" data-title="หอสมุดรัฐสภา" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kongre_K%C3%BCt%C3%BCphanesi" title="Kongre Kütüphanesi - Tyrceg" lang="tr" hreflang="tr" data-title="Kongre Kütüphanesi" data-language-autonym="Türkçe" data-language-local-name="Tyrceg" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D1%81_%D0%BA%D0%B8%D1%82%D0%B0%D0%BF%D1%85%D0%B0%D0%BD%D3%99%D1%81%D0%B5" title="Конгресс китапханәсе - Tatareg" lang="tt" hreflang="tt" data-title="Конгресс китапханәсе" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatareg" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%91%D1%96%D0%B1%D0%BB%D1%96%D0%BE%D1%82%D0%B5%D0%BA%D0%B0_%D0%9A%D0%BE%D0%BD%D0%B3%D1%80%D0%B5%D1%81%D1%83" title="Бібліотека Конгресу - Wcreineg" lang="uk" hreflang="uk" data-title="Бібліотека Конгресу" data-language-autonym="Українська" data-language-local-name="Wcreineg" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DA%A9%D8%AA%D8%A8_%D8%AE%D8%A7%D9%86%DB%81_%DA%A9%D8%A7%D9%86%DA%AF%D8%B1%DB%8C%D8%B3" title="کتب خانہ کانگریس - Wrdw" lang="ur" hreflang="ur" data-title="کتب خانہ کانگریس" data-language-autonym="اردو" data-language-local-name="Wrdw" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Kongress_kutubxonasi" title="Kongress kutubxonasi - Wsbeceg" lang="uz" hreflang="uz" data-title="Kongress kutubxonasi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Wsbeceg" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Th%C6%B0_vi%E1%BB%87n_Qu%E1%BB%91c_h%E1%BB%99i_(Hoa_K%E1%BB%B3)" title="Thư viện Quốc hội (Hoa Kỳ) - Fietnameg" lang="vi" hreflang="vi" data-title="Thư viện Quốc hội (Hoa Kỳ)" data-language-autonym="Tiếng Việt" data-language-local-name="Fietnameg" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Sulod-Barasahan_han_Kongreso" title="Sulod-Barasahan han Kongreso - Winarayeg" lang="war" hreflang="war" data-title="Sulod-Barasahan han Kongreso" data-language-autonym="Winaray" data-language-local-name="Winarayeg" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%9B%BD%E4%BC%9A%E5%9B%BE%E4%B9%A6%E9%A6%86%EF%BC%88%E7%BE%8E%E5%9B%BD%EF%BC%89" title="国会图书馆（美国） - Wu Tsieineaidd" lang="wuu" hreflang="wuu" data-title="国会图书馆（美国）" data-language-autonym="吴语" data-language-local-name="Wu Tsieineaidd" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xh mw-list-item"><a href="https://xh.wikipedia.org/wiki/Ithala_leencwadi_leCongress" title="Ithala leencwadi leCongress - Xhosa" lang="xh" hreflang="xh" data-title="Ithala leencwadi leCongress" data-language-autonym="IsiXhosa" data-language-local-name="Xhosa" class="interlanguage-link-target"><span>IsiXhosa</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%99%E1%83%9D%E1%83%9C%E1%83%92%E1%83%A0%E1%83%94%E1%83%A1%E1%83%98%E1%83%A8_%E1%83%91%E1%83%98%E1%83%91%E1%83%9A%E1%83%98%E1%83%9D%E1%83%97%E1%83%94%E1%83%99%E1%83%90" title="კონგრესიშ ბიბლიოთეკა - Mingrelian" lang="xmf" hreflang="xmf" data-title="კონგრესიშ ბიბლიოთეკა" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%9C%8B%E6%9C%83%E5%9C%96%E6%9B%B8%E9%A4%A8_(%E7%BE%8E%E5%9C%8B)" title="國會圖書館 (美國) - Tsieinëeg" lang="zh" hreflang="zh" data-title="國會圖書館 (美國)" data-language-autonym="中文" data-language-local-name="Tsieinëeg" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/B%C3%AD-kok_kok-h%C5%8De_t%C3%B4%CD%98-su-ko%C3%A1n" title="Bí-kok kok-hōe tô͘-su-koán - Minnan" lang="nan" hreflang="nan" data-title="Bí-kok kok-hōe tô͘-su-koán" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%9C%8B%E6%9C%83%E5%9C%96%E6%9B%B8%E9%A4%A8" title="國會圖書館 - Cantoneeg" lang="yue" hreflang="yue" data-title="國會圖書館" data-language-autonym="粵語" data-language-local-name="Cantoneeg" class="interlanguage-link-target"><span>粵語</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/Q131454#sitelinks-wikipedia" title="Golygu dolenni rhyngwici" class="wbc-editpage">Golygu dolenni</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Parthau"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Llyfrgell_y_Gyngres" title="Gweld y dudalen bwnc [c]" accesskey="c"><span>Erthygl</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Sgwrs:Llyfrgell_y_Gyngres" rel="discussion" title="Sgwrsio am y dudalen [t]" accesskey="t"><span>Sgwrs</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Newid amrywiad iaith" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Cymraeg</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Golygon"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Llyfrgell_y_Gyngres"><span>Darllen</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&action=history" title="Fersiynau cynt o'r dudalen hon. [h]" accesskey="h"><span>Gweld hanes</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Blwch offer" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Blwch offer</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Blwch offer</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">cuddio</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Rhagor o opsiynau" > <div class="vector-menu-heading"> Gweithredoedd </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Llyfrgell_y_Gyngres"><span>Darllen</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&action=history"><span>Gweld hanes</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Cyffredinol </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Arbennig:WhatLinksHere/Llyfrgell_y_Gyngres" title="Rhestr o bob tudalen sy'n cysylltu â hon [j]" accesskey="j"><span>Beth sy'n cysylltu yma</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Arbennig:RecentChangesLinked/Llyfrgell_y_Gyngres" rel="nofollow" title="Newidiadau diweddar i dudalennau sydd yn cysylltu â hon [k]" accesskey="k"><span>Newidiadau perthnasol</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Arbennig:SpecialPages" title="Rhestr o'r holl dudalennau arbennig [q]" accesskey="q"><span>Tudalennau arbennig</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&oldid=7929619" title="Dolen barhaol i'r fersiwn hwn y dudalen hon"><span>Dolen barhaol</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&action=info" title="Mwy o wybodaeth am y dudalen hon"><span>Gwybodaeth am y dudalen</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Arbennig:CiteThisPage&page=Llyfrgell_y_Gyngres&id=7929619&wpFormIdentifier=titleform" title="Gwybodaeth ar sut i gyfeirio at y dudalen hon"><span>Cyfeirio at y dudalen hon</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Arbennig:UrlShortener&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FLlyfrgell_y_Gyngres"><span>Cael URL byr</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Arbennig:QrCode&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FLlyfrgell_y_Gyngres"><span>Lawrlwytho cod QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Argraffu / allforio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Arbennig:Book&bookcmd=book_creator&referer=Llyfrgell+y+Gyngres"><span>Llunio llyfr</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Arbennig:DownloadAsPdf&page=Llyfrgell_y_Gyngres&action=show-download-screen"><span>Lawrlwytho fel PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Llyfrgell_y_Gyngres&printable=yes" title="Cynhyrchwch fersiwn o'r dudalen yn barod at ei hargraffu [p]" accesskey="p"><span>Fersiwn argraffu</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Mewn prosiectau eraill </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Library_of_Congress" hreflang="en"><span>Comin Wikimedia</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q131454" title="Cysylltu i eitem ystorfa gysylltiedig [g]" accesskey="g"><span>Eitem Wicidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Gwedd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">cuddio</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Oddi ar Wicipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Ailgyfeiriad o <a href="/w/index.php?title=Library_of_Congress_Control_Number&redirect=no" class="mw-redirect" title="Library of Congress Control Number">Library of Congress Control Number</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="cy" dir="ltr"><table class="infobox" style="width:22em"><caption>Llyfrgell y Gyngres</caption><tbody><tr><td colspan="2" style="text-align:center"><span typeof="mw:File"><a href="/wiki/Delwedd:Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg/280px-Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg" decoding="async" width="280" height="192" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg/420px-Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg/560px-Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg 2x" data-file-width="1000" data-file-height="686" /></a></span></td></tr><tr><th scope="row">Math</th><td>llyfrgell genedlaethol, Llyfrgell Adneuol y Cenhedloedd Unedig, archifau seneddol, legislative branch agency, bibliographic database <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q131454?uselang=cy#P31" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/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/commons/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/commons/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></span></td></tr><tr><td colspan="2" style="text-align:center"><div class="center"></div></td></tr><tr><th scope="row">Sefydlwyd</th><td><div class="plainlist"><ul style=""><li style="">24 Ebrill 1800 <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q131454?uselang=cy#P571" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/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/commons/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/commons/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></span></li></ul></div></td></tr><tr><th colspan="2" style="text-align:center;background:#ddf;">Daearyddiaeth</th></tr><tr><th scope="row">Lleoliad</th><td>Capitol yr Unol Daleithiau, Thomas Jefferson Building, John Adams Building, James Madison Memorial Building <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q131454?uselang=cy#P276" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/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/commons/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/commons/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></span></td></tr><tr><th scope="row">Sir</th><td><a href="/wiki/Washington,_D.C." title="Washington, D.C.">Washington</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q131454?uselang=cy#P131" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/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/commons/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/commons/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></span></td></tr><tr><th scope="row">Gwlad</th><td><span typeof="mw:File"><a href="/wiki/Delwedd:Flag_of_the_United_States.svg" class="mw-file-description" title="Baner UDA"><img alt="Baner UDA" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Flag_of_the_United_States.svg/22px-Flag_of_the_United_States.svg.png" decoding="async" width="22" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Flag_of_the_United_States.svg/33px-Flag_of_the_United_States.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Flag_of_the_United_States.svg/44px-Flag_of_the_United_States.svg.png 2x" data-file-width="1235" data-file-height="650" /></a></span> <a href="/wiki/UDA" class="mw-redirect" title="UDA">UDA</a></td></tr><tr><th scope="row">Cyfesurynnau</th><td>38.8886°N 77.0047°W <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q131454?uselang=cy#P625" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/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/commons/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/commons/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></span></td></tr><tr><th scope="row">Cod post</th><td>20540-4560 <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q131454?uselang=cy#P281" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/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/commons/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/commons/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></span></td></tr><tr><th scope="row">Nifer y teithwyr</th><td>1,900,000 (–2019), 565,000 (–2020) <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q131454?uselang=cy#P3872" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/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/commons/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/commons/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></span></td></tr><tr><td colspan="2" style="text-align:center"><a class="mw-kartographer-map notheme mw-kartographer-container center" style="width: 280px; height: 250px;" data-mw-kartographer="mapframe" data-style="osm-intl" data-width="280" data-height="250" data-zoom="8" data-lat="38.8886" data-lon="-77.0047" data-overlays="["_add67a269eb08ffa45da3c44fb93520946f0fd48"]" href="/wiki/Arbennig:Map/8/38.8886/-77.0047/cy"><img src="https://maps.wikimedia.org/img/osm-intl,8,38.8886,-77.0047,280x250.png?lang=cy&domain=cy.wikipedia.org&title=Llyfrgell_y_Gyngres&revid=7929619&groups=_add67a269eb08ffa45da3c44fb93520946f0fd48" width="280" height="250" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,8,38.8886,-77.0047,280x250@2x.png?lang=cy&domain=cy.wikipedia.org&title=Llyfrgell_y_Gyngres&revid=7929619&groups=_add67a269eb08ffa45da3c44fb93520946f0fd48 2x" alt="Map" /></a></td></tr><tr><td colspan="2" style="text-align:center"><div style="text-align: center;"><span typeof="mw:File"><span title="Tudalen Comin"><img alt="Tudalen Comin" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Library_of_Congress" class="extiw" title="commons:Category:Library of Congress">Ffeiliau perthnasol ar Comin</a></div></td></tr><tr><td colspan="2" style="text-align:center"><div class="metadata" style="text-align: right;">[<a href="https://www.wikidata.org/wiki/Q131454" class="extiw" title="d:Q131454">golygwch ar Wicidata</a>]</div></td></tr></tbody></table> <p><a href="/wiki/Llyfrgell" title="Llyfrgell">Llyfrgell</a> ymchwil <a href="/wiki/Cyngres_yr_Unol_Daleithiau" title="Cyngres yr Unol Daleithiau">Cyngres yr Unol Daleithiau</a> yw <b>Llyfrgell y Gyngres</b> (<a href="/wiki/Saesneg" title="Saesneg">Saesneg</a>: <span lang="en"><i>Library of Congress</i></span>). Y llyfrgell yw'r sefydliad ffederal hynaf yn yr Unol Daleithiau. Fe'i lleolir mewn tri adeilad yn <a href="/wiki/Washington,_D.C." title="Washington, D.C.">Washington, D.C.</a>, a dyma'r llyfrgell fwyaf yn y byd yn ôl gofod silff ac mae'n dal y nifer fwyaf o lyfrau. </p> <div class="mw-heading mw-heading2"><h2 id="Dolenni_allanol">Dolenni allanol</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Llyfrgell_y_Gyngres&veaction=edit&section=1" title="Golygu'r adran: Dolenni allanol" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Llyfrgell_y_Gyngres&action=edit&section=1" title="Edit section's source code: Dolenni allanol"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://www.loc.gov">Gwefan swyddogol</a></li></ul> <div style="clear: both; background-color: #f9f9f9; border: 1px solid #aaa; padding: 5px; padding-left: 10px; text-align: left; font-size: 90%; margin-top: 1em;"><span typeof="mw:File"><a href="/wiki/Delwedd:Flag_map_of_Washington_DC.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Flag_map_of_Washington_DC.png/26px-Flag_map_of_Washington_DC.png" decoding="async" width="26" height="33" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Flag_map_of_Washington_DC.png/39px-Flag_map_of_Washington_DC.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Flag_map_of_Washington_DC.png/52px-Flag_map_of_Washington_DC.png 2x" data-file-width="2014" data-file-height="2526" /></a></span> <i><a href="/wiki/Wicipedia:Eginyn" title="Wicipedia:Eginyn">Eginyn</a> erthygl sydd uchod am <b><a href="/wiki/Washington,_D.C." title="Washington, D.C.">Washington, D.C.</a></b>. Gallwch helpu Wicipedia drwy <a class="external text" href="https://cy.wikipedia.org/w/index.php?title=Llyfrgell_y_Gyngres&action=edit">ychwanegu ato</a>.</i></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Wedi dod o "<a dir="ltr" href="https://cy.wikipedia.org/w/index.php?title=Llyfrgell_y_Gyngres&oldid=7929619">https://cy.wikipedia.org/w/index.php?title=Llyfrgell_y_Gyngres&oldid=7929619</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Arbennig:Categories" title="Arbennig:Categories">Categorïau</a>: <ul><li><a href="/wiki/Categori:Egin_Washington,_D.C." title="Categori:Egin Washington, D.C.">Egin Washington, D.C.</a></li><li><a href="/wiki/Categori:Adeiladau_ac_adeiladwaith_yn_Washington,_D.C." title="Categori:Adeiladau ac adeiladwaith yn Washington, D.C.">Adeiladau ac adeiladwaith yn Washington, D.C.</a></li><li><a href="/wiki/Categori:Cyngres_yr_Unol_Daleithiau" title="Categori:Cyngres yr Unol Daleithiau">Cyngres yr Unol Daleithiau</a></li><li><a href="/wiki/Categori:Llyfrgelloedd_yr_Unol_Daleithiau" title="Categori:Llyfrgelloedd yr Unol Daleithiau">Llyfrgelloedd yr Unol Daleithiau</a></li><li><a href="/wiki/Categori:Sefydliadau_1800" title="Categori:Sefydliadau 1800">Sefydliadau 1800</a></li><li><a href="/wiki/Categori:Llyfrgelloedd_cenedlaethol" title="Categori:Llyfrgelloedd cenedlaethol">Llyfrgelloedd cenedlaethol</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categori cudd: <ul><li><a href="/wiki/Categori:Tudalennau_gyda_meysydd_deublyg_yn_y_Nodion" title="Categori:Tudalennau gyda meysydd deublyg yn y Nodion">Tudalennau gyda meysydd deublyg yn y Nodion</a></li><li><a href="/wiki/Categori:Pages_using_the_JsonConfig_extension" title="Categori:Pages using the JsonConfig extension">Pages using the JsonConfig extension</a></li><li><a href="/wiki/Categori:Erthyglau_sy%27n_defnyddio_Nodyn_Gwybodlen_lle_Wicidata" title="Categori:Erthyglau sy'n defnyddio Nodyn Gwybodlen lle Wicidata">Erthyglau sy'n defnyddio Nodyn Gwybodlen lle Wicidata</a></li><li><a href="/wiki/Categori:Erthyglau_sy%27n_cynnwys_testun_Saesneg" title="Categori:Erthyglau sy'n cynnwys testun Saesneg">Erthyglau sy'n cynnwys testun Saesneg</a></li><li><a href="/wiki/Categori:Pages_using_the_Kartographer_extension" title="Categori:Pages using the Kartographer extension">Pages using the Kartographer extension</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Golygwyd y dudalen hon ddiwethaf ar 10 Ebrill 2019, am 16:16.</li> <li id="footer-info-copyright">Mae'r testun ar gael o dan <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-ShareAlike License</a>; gall telerau ychwanegol fod yn berthnasol. Gweler y <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">Telerau Gwasanaeth</a> am fanylion.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Polisi preifatrwydd</a></li> <li id="footer-places-about"><a href="/wiki/Wicipedia:Yngl%C5%B7n_%C3%A2_Wicipedia">Ynglŷn â Wicipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wicipedia:Gwadiad_Cyffredinol">Gwadiadau</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Cod Ymddygiad</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Datblygwyr</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/cy.wikipedia.org">Ystadegau</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Datganiad cwcis</a></li> <li id="footer-places-mobileview"><a href="//cy.m.wikipedia.org/w/index.php?title=Llyfrgell_y_Gyngres&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Golwg symudol</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-fb9fb","wgBackendResponseTime":151,"wgKartographerLiveData":{"_add67a269eb08ffa45da3c44fb93520946f0fd48":[{"type":"ExternalData","service":"geoshape","url":"https://maps.wikimedia.org/geoshape?getgeojson=1\u0026ids=Q131454","properties":{"title":"Llyfrgell y Gyngres","marker-symbol":"marker","stroke-width":0.5,"marker-color":"#1E90FF","fill":"#F5A9A9"}},{"type":"ExternalData","service":"geomask","url":"https://maps.wikimedia.org/geoshape?getgeojson=1\u0026ids=Q131454","properties":{"title":"geomask3","marker-symbol":"marker","stroke-width":0.5,"fill-opacity":0.33,"marker-color":"#1E90FF","fill":"#FFFFE0"}},{"features":[{"type":"Feature","geometry":{"coordinates":[-77.0047,38.8886],"type":"Point"},"properties":{"marker-color":"#1E90FF","title":"Llyfrgell y Gyngres","marker-symbol":"marker"}}],"type":"FeatureCollection"}]},"wgPageParseReport":{"limitreport":{"cputime":"0.381","walltime":"0.772","ppvisitednodes":{"value":2878,"limit":1000000},"postexpandincludesize":{"value":20476,"limit":2097152},"templateargumentsize":{"value":5484,"limit":2097152},"expansiondepth":{"value":18,"limit":100},"expensivefunctioncount":{"value":1,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":869,"limit":5000000},"entityaccesscount":{"value":2,"limit":400},"timingprofile":["100.00% 469.294 1 -total"," 91.65% 430.101 1 Nodyn:Gwybodlen_lle"," 89.03% 417.803 1 Nodyn:Infobox"," 32.44% 152.228 74 Nodyn:If_first_display_both"," 19.97% 93.700 1 Nodyn:Dylunio_map"," 6.99% 32.819 1 Nodyn:Iaith-en"," 6.44% 30.213 1 Nodyn:LangWithName"," 5.85% 27.432 1 Nodyn:Lang"," 5.26% 24.698 1 Nodyn:Category_handler"," 3.29% 15.457 1 Nodyn:Category_handler/numbered"]},"scribunto":{"limitreport-timeusage":{"value":"0.270","limit":"10.000"},"limitreport-memusage":{"value":8252025,"limit":52428800}},"cachereport":{"origin":"mw-web.eqiad.main-7d588db968-mfwbw","timestamp":"20241105005054","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Llyfrgell y Gyngres","url":"https:\/\/cy.wikipedia.org\/wiki\/Llyfrgell_y_Gyngres","sameAs":"http:\/\/www.wikidata.org\/entity\/Q131454","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q131454","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2009-07-27T20:45:48Z","dateModified":"2019-04-10T16:16:44Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/c\/cf\/Thomas_Jefferson_Building_Aerial_by_Carol_M._Highsmith.jpg","headline":"llyfrgell yn Washington, DC, UDA"}</script> </body> </html>