NATIONAL LIBRARY SERVICE (SBN) CATALOGUE
The SBN Online Public Access Catalogue (SNB OPAC) allows users to access easily the collective catalogue of the libraries included in the National Library Service.
OPAC CATALOGUES OF THE ITALIAN LIBRARY ASSOCIATION (AIB)
The online catalogues of the Italian libraries.
LIBRARY OF CONGRESS CATALOGUE
The main point of access to the Library of Congress collections. It features 18 million records, including books, periodicals, manuscripts, maps, music, recordings, images and electronic materials.
BRITISH LIBRARY CATALOGUE
The British Library catalogue includes millions of records of books, periodicals, journals, printed maps, sound tracks, electronic and audio materials.
KIT LIBRARY CATALOGUE
The international metaOPAC by the Karlsruher Institut fur Technologie Library. It allows to search millions of books and regular publications from libraries all over the world.
BIBLIOTHEQUE NATIONALE DE FRANCE (BNF) CATALOGUE
The new catalogue of the French National Library (BNF), which contains over 12 million bibliographic references.