External Catalogues

KOBV – Cooperative Library Network Berlin-Brandenburg
BVB – Bavarian Library Association with ‘B3Kat’ catalogue for Berlin, Brandenburg, and Bavaria
KVK – Karlsruhe Virtual Catalogue
Worldcat

ZDB German Union Catalogue of Serials (ZDB), with all serial titles, newspapers, databases, yearbooks etc., available in German and Austrian libraries
EZB Electronic Journals Library

subito – A fee-based delivery service for books, periodicals and articles offered by German, Austrian and Swiss academic libraries.