Außeruniversitäre und weltweite Bibliothekskataloge
- Katalog der Deutschen Nationalbibliothek: beinhaltet die Kataloge der Deutschen Bibliothek Frankfurt/Leipzig, das Deutsche Musikarchiv Berlin und mehr
- Deutsche Datenquellen - nach Fachbereichen sortiert
- The European Library
- Deutsches Forschungszentrum für Künstliche Intelligenz
- Deutsche Zentralbibliothek für Medizin
- ESO Libraries - European Southern Observatory (München)
- Literaturdatenbank LITDOK der Deutschen Gesellschaft für Internationale Zusammenarbeit (GIZ)
- Bibliothek der Friedrich-Ebert-Stiftung
- Bibliothek des Wissenschaftszentrums Berlin für Sozialforschung (WZB)
North American Libraries
United States National Libraries
- The Library of Congress
- National Archives and Record Administration
- Jimmy Carter Library and Museum
- Richard Nixon Library and Museum
- Franklin D. Roosevelt Library and Museum
- John F. Kennedy Library and Museum
- Gerald R. Ford Library and Museum
- Harry S. Truman Library and Museum
- Dwight D. Eisenhower Library and Museum
- Lyndon B. Johnson Library and Museum
- Ronald Reagan Library and Museum
- George H.W. Bush Library and Museum
- William J. Clinton Library
- George W. Bush Library
- Herbert Hoover Library
- National Agricultural Library
- National Library of Medicine
- National Library of Education
- National Transportation Library
- 11th Circuit Library -Court of Appeals
- Atlanta Fulton Public Library
- Federal Depository Libraries
US State Libraries
US Academic Libraries
- Brandeis University Library
- Boston University Library
- Brown University Library
- California Institute of Technology Library
- Carnegie Mellon Libraries
- Columbia University Library
- Cornell University Library
- Dartmouth College Library
- Duke University Library
- Emory University Library
- Georgia Institute of Technology
- Georgetown University Library
- George Washington University Library
- Harvard University Library
- Massachusetts Institute of Technology (MIT) Library
- New York University Library
- Princeton University Library
- Purdue University Library
- Radford University Library
- Rutgers University Library
- Simon Fraser University Library
- Stanford University Library
- University of California- Berkeley Library
- University of California-Davis Library
- Vassar Library
- Yale University Library
Canadian National Libraries
- Canadian Library Gateway
- Library and Archives Canada
- NOVANET
- NRCan Library Catalogue
- RIBG – Réseau informatisé des bibliothèques gouvernementales
- TAL – Alberta Online Library
- WAVES – Catalogue of the Libraries of Fisheries & Oceans Canada
Canadian Academic Libraries
- Alberta Law Library
- McGill University Library
- McMaster University Library
- Queen’s University Library
- University of Alberta
- University of British Columbia Library
- University of Calgary
- Université de Montréal Library
- University of Toronto
- University of Waterloo Library
- University of Western Ontario
Australian National Libraries
- A.S. Holmes Library
- Caroline Simpson Library and Research Collection
- Law Library Supreme Court of Western Australia
- National Library of Australia
- National Library of Australia- Digital Collections
- NSW Parliamentary Library
- Parliamentary Library
- South Australia Public Library Network
- State Library of South Australia
- Mary Arthur Library
Australian Academic Libraries
- The Australian National University Library (Canberra)
- Monash University (Melbourne)
- The University of Adelaide Library
- The University of Melbourne Library ( Melbourne)
- The University of South Wales Library (Sydney)
- The University of Sydney (Sydney)
- The University of Queensland (Brisbane)
- The University of Western Australia (Perth)
- The University of Western Australia Music Library (Perth)