Biblioteci străine

      - British Library

      - Moore Library

      - Cambridge University Library

      - Library of Congress

      - Bartleby.com: Mari cãrti online

      - United Nations Dag Hammarskjöld Library

      - Unesco - Portalul bibliotecilor

      - Bibliotheque Nationale de France

      - Harvard University Library

      - AIM25 - Archives in London

      - Leuven University Library

      - Gabriel : Gateway to Europe's National Libraries

      - Bibliotecă virtuală

      - Universitätsbibliothek Hannover und TIB

      - National Institute of Standards and Technology

      - Österreichische National Bibliothek

      - Die Deutsche Bibliothek

      - Biblioteca Nationale Centrale di Roma

      - Biblioteca National

      - Pontificio Istituto Biblico

      - The National Library of Russia

      - The Vernadsky National Library of Ukraine

      - National Széchényi Library

      - Sveriges nationalbibliotek

      - Biblioteca Alexandrină