Karlsruhe Virtual Catalogue (KVK)
The KVK enables the search for literature in all German and numerous international integrated catalogues.
German National Library (DNB)
The German National Library (DNB) lists all German-language media released since 1913 in Germany.
Journal Database (ZDB)
The Journal Database (ZDB) with approx. 1.6 million titles is the largest database worldwide for journals and magazine with related proof of ownership.
Electronic Journals Library (EZB)
The Electronic Journals Library (EZB) is a database for utilising full text scientific journals and magazines.
Database Information System (DBIS)
The Database Information System (DBIS) is a directory of databases, of which more than 4,000 are freely available via the internet.