Literature search

• Consolidated catalogue of Düsseldorf libraries
  Search the holdings of Hochschule Düsseldorf University of Applied Sciences, Düsseldorf’s public libraries, ULB Düsseldorf and the consolidated catalogue of Düsseldorf’s cultural institutions.

• Library of Hochschule Düsseldorf, University of Applied Sciences
  Central catalogue for the university’s three branch libraries for technology/design, social work and economics

• Online catalogue of Düsseldorf's public library
  Catalogue of all 15 locations of the city’s public library

• Catalogue of Düsseldorf's cultural institutions
  Consolidated catalogue of the libraries of 14 municipal and non-municipal cultural institutes in Düsseldorf. All participating special libraries are reference libraries that are publicly accessible and can be used by anyone interested.

• Media library of Français Düsseldorf
  Access to French novels, articles, non-fiction works, comics, children’s books, books for young adults, CDs and DVDs as well as audio books.

• LVR Centre for Media and Education
  Audiovisual media, DVDs, videos and other media formats for schools and teaching

• BVLB library network of the state authorities of North Rhine-Westphalia
  Central access to the 75 libraries of the supreme state authorities and courts

• Library ot the Gerhart Hauptmann Haus Foundation, German-Eastern European Forum
  Special library with literature on Eastern, East-Central and South-Eastern Europe as well as on the history and culture of Germans in Eastern Europe.

Catalogues of individual libraries

• German National Library
  The German National Library’s catalogue contains the monographs, periodicals, maps and atlases, music and sound recordings, dissertations and habilitation theses published in Germany since 1913 in print or electronic format in addition to translations from German into other languages and foreign-language Germanica.

Catalogues of individual libraries

• University library network of North Rhine-Westphalia (Hochschulbibliothekszentrum des Landes Nordrhein-Westfalen, hbz)
  Library network catalogue for North Rhine-Westphalia and part of Rhineland-Palatinate

• Southwest German library network (Südwestdeutscher Bibliotheksverbund, SWB)
  covering the states of Baden-Württemberg, Saarland and Saxony

• Bavarian library network (Bibliotheksverbund Bayern, BVB)
  Bavaria

• Berlin-Brandenburg cooperative library network (Kooperativer Bibliotheksverbund Berlin-Brandenburg, KOBV)
  Berlin, Brandenburg

• Common Library Network (Gemeinsamer Bibliotheksverbund, GBV)
  Library network catalogue for the states of Bremen, Hamburg, Mecklenburg-Western Pomerania, Lower Saxony, Saxony-Anhalt, Schleswig-Holstein, Thuringia

• Hessian library information system (Hessisches BibliotheksInformationsSystem, HeBIS)
  Hessen

Other catalogues

• Karlsruhe virtual catalogue (Karlsruher Virtueller Katalog, KVK)
  Searches in all German and countless international library network catalogues. KVK is a meta-catalogue of more than 500 million records in catalogues worldwide.

• Journal database (Zeitschriftendatenbank, ZDB)
  Lists the periodicals and newspapers in almost all German academic libraries and many other public libraries.

Europe

• European Library
  The collections of 48 national libraries and leading research centres in Europe.

• British Library
  The British Library’s main catalogue comprising 57 million records.

• Bibliothèque Nationale de France
  Main catalogue of the French national library.

• Austrian library network
  The collections of the more than 80 institutions in the Austrian library network.

• Swisscovery
  The collections of more than 470 scientific libraries in Switzerland.

• Italian library network
  Bibliographic data from the 4,900 libraries in the Italian library network.

Worldwide

• WorldCat
  Records of approximately 2 billion items from more than 10,000 libraries worldwide.

• Library of Congress
  Access 15 million records via the catalogue of the Library of Congress.

• Libraries.org
  A directory of libraries throughout the world