Bibliotheque Quebec
The British Library Public Catalogue
CIB Centro Inter-Bibliotecario:Bibliothece Cataloghi Archivi
Cleveland Public Library
COPAC * Central OPAC of UK & Irland
The European Library
Gemeinsamer Verbundkatalog (GBV)
Karlsruher Virtueller Katalog (KVK)
Library of Congress Online Catalog
Melvyl: The Catalog of the University of California Libraries
National Library of Medicine
New York Public Library
OhioLINK
Österreichischer Bibliothekenverbund
University of Toronto Library Catalogue
Washington Research Library Consortium
Több külföldi könyvtár
-on használom
