United States
National Digital Public Library of America
Library of Congress
National Archives & Records
National Agricultural Library (Department of Agriculture)
National Library of Education (Department of Education)
National Library of Medicine (National Institutes of Health)
National Libraries
| Argentina | Biblioteca Nacional de la Republica Argentina. National Library of the Argentine Republic http://www.bibnal.edu.ar/ |
| Australia | National Library of Australia http://www.nla.gov.au/ |
| Austria | Osterreichische Nationalbibliothek. Austrian National Library. http://www.onb.ac.at/ Austrian National Library |
| Belarus | National Library of Belarus http://www.nlb.by |
| Belgium | Bibliotheque Royale Albert 1er. Royal Library Albert I. http://www.kbr.be/ Royal Library of Belgium (english) |
| Brazil | Biblioteca Nacional http://www.bn.br |
| Canada | Bibliotheque et Archives Canada Library and Archives Canada |
| Chile | Biblioteca Nacional de Chile www.bibliotecanacional.cl |
| China | National Library of China http://www.nlc.gov.cn/ National Library of China (english) |
| Colombia | Biblioteca Nacional de Colombia National Library of Colombia |
| Croatia | http://www.nsk.hr/ National and University Library in Zagreb (english) |
| Czech Republic | The National Library of the Czech Republic |
| Denmark | Det kongelige bibliotek http://www.kb.dk The Royal Library (english) |
| Estonia | Eesti Rahvusraamatukogu National Library of Estonia (english) |
| Faroe Islands | The National Library of the Faroe Islands |
| Finland | Helsingin yliopiston kirjasto – Suomen kansalliskirjasto http://www.kansalliskirjasto.fi/ The Helsinki University Library – The National Library of Finland (english) |
| France | Bibliotheque nationale de France http://www.bnf.fr/ National Library of France (english) |
| Germany | Deutsche National Bibliothek http://www.d-nb.de/ German National Library (english) |
| Hungary | http://www.oszk.hu/ National Szechenyi Library (english) |
| Iceland | http://www.bok.hi.is/ National and University Library of Iceland (english) |
| Indonesia | Perpustakaan Nasional Republik Indonesia http://www.pnri.go.id/ National Library of The Republik of Indonesia (english) |
| Ireland | National Library of Ireland |
| Italy | Biblioteca Nazionale Centrale di Firenze. National Central Library (Florence). http://www.bncf.firenze.sbn.it |
| Jamaica | National Library of Jamaica http://www.nlj.gov.jm/ |
| Japan | National Diet Library http://www.ndl.go.jp/ National Diet Library (english) |
| Korea | The National Library of Korea The National Library of Korea |
| Latvia | Latvijas Nacionala Biblioteka National Library of Latvia |
| Luxembourg | Bibliotheque Nationale http://www.etat.lu |
| Macedonia | Narodna i univerzitetska biblioteka “Sv. Kliment Ohridski” http://www.nubsk.edu.mk/ National and University Library “St. Kliment Ohridski” (english) |
| Malaysia | Perpustakaan Negara Malaysia http://www.pnm.gov.my/ National Library of Malaysia |
| Mexico | Biblioteca Nacional de Mexico http://bnm.unam.mx/ |
| Namibia | National Library of Namibia http://www.nln.gov.na/ |
| Netherlands | Koninklijke Bibliotheek http://www.kb.nl/ National Library of the Netherlands (english) |
| New Zealand | National Library of New Zealand http://www.natlib.govt.nz/ |
| Nigeria | National Library of Nigeria http://www.nlnig.org/ |
| Norway | Nasjonalbiblioteket http://www.nb.no/english The National Library of Norway (english) |
| Peru | Biblioteca Nacional del Peru. National Library of Peru. http://www.bnp.gob.pe/ (english) |
| Poland | Biblioteka Narodowa http://www.bn.org.pl/ National Library of Poland (english) |
| Portugal | Biblioteca Nacional http://www.bn.pt/ National Library of Portugal (english) |
| Russia | Rossiiskaia gosudarstvennaia biblioteka http://www.rsl.ru/ Russian State Library (english) |
| Scotland | National Library of Scotland http://www.nls.uk/ |
| Singapore | National Library of Singapore http://www.nl.sg/ |
| Slovak Republic | http://www.snk.sk/ Slovak National Library (english) |
| Slovenia | Narodna in univerzitetna knjiznica http://www.nuk.uni-lj.si/ National and University Library Slovenia (english) |
| Spain | Biblioteca Nacional de Espana http://www.bne.es National Library of Spain (english) |
| Sweden | Kungliga Biblioteket http://www.kb.se National Library of Sweden (english) |
| Switzerland | Schweizerische Nationalbibliothek http://www.snl.ch/ Swiss National Library (english) |
| Taiwan | National Taiwan Library http://www.ntl.edu.tw/ National Taiwan Library (english) |
| Turkey | National Library of Turkey |
| Ukraine | Vernadsky National Library of Ukraine |
| United Kingdom | British Library http://portico.bl.uk/ |
| Uzbekistan | National Library of Uzbekistan http://www.natlib.uz |
| Wales | Llyfrgell Genedlaethol Cymru National Library of Wales |