Specific catalogues

Catalogue journals Print and online
Catalogue university publications Bachelor, master and diploma theses, doctoral and postdoctoral theses 
Catalogue textbook collection
Catalogue for films and motion pictures
 

No access to the catalogue and your library account between 01.30 and 03.30!

More research options:

HBZ - Union catalogue of university libraries in North Rhine-Westphalia
Karlsruhe Virtual Catalogue (KVK) - Possibiltity of searching international library and book-trading catalogues
Zeitschriften-Datenbank (ZDB) - German and Austrian inventory of journals (finding contents and articles not possible)