Library catalogues

Karlsruher Virtual Catalogue (KVK)
The KVK is a meta search interface for more than 500 million books and serials in library and book trade catalogs worldwide.

The KOBV Portal is the regional library portal for Berlin and Brandenburg.

Humboldt University (HU) Berlin: Search portal of the library
- 2,7 mio data records from the online catalogue of the HU
- about 11.000 titles from the document- and publication server of the HU
- 21,7 mio. titles from the DFG national licences
- about 250 mio electronical recources worldwide (Primo Central)

Online Catalogue of the Berlin State Library
stabikat+: The Online Catalogue of the "Berlin State Library – Prussian Cultural Heritage" = "The Staatsbibliothek zu Berlin – Preußischer Kulturbesitz (SBBPK)" lists books, titles of journals and electronic Media.

MPI EVA Library 
Library of the Max Planck Institute for Evolutionary Anthropology (MPI EVA)

IDS Library
Library of the Institute for the German Language (IDS)

BBF Library
Research Library for the History of Education at the German Institute for International Educational Research = "Bibliothek für Bildungsgeschichtliche Forschung (BBF)"