National and international library networks

Cooperative Library Network Berlin-Brandenburg (KOBV)
is a consortium of libraries in Berlin and Brandenburg. The KOBV operates a regional web portal providing access to information resources and services of all participating libraries.

Common Union Catalogue (GBV)
of the states of Bremen, Hamburg, Mecklenburg-Western Pomerania, Saxony, Saxony-Anhalt, Schleswig-Holstein, Thuringia and the Prussian Cultural Heritage Foundation.

Bavarian Library Network (BVB)
is the regional association of more than 150 libraries of various sizes and orientations specialist in Bavaria.
The group includes the Bavarian State Library, the university and college libraries, the regional state libraries and a number of other major libraries.

Southwest German Library Network (SWB)
1.200 libraries from domestic and abroad are connected as participant libraries. Historically, we find the majority of libraries in Baden-Württemberg, Saarland and Saxony. The database of the Southwest German Library Network is operated by the BSZ (library service center region of Baden-Württemberg).

University Library Center of North Rhine-Westphalia (hbz)
Union catalog of the academic libraries of North Rhine-Westphalia and a large part of Rhineland-Palatinate.

Hessian Library and Information System (HeBIS)
is the electronic information and service network of academic libraries in parts of Hesse and Rhineland-Palatinate. The spectrum of the participating institutions is diverse: university and college libraries, institutes and special libraries, county and city libraries have joined HeBIS.

Karlsruher Virtual Catalogue (KVK)
With help of the Karlsruhe virtual catalog you can search more than 100 million books and journals in library and book trade catalogs worldwide.