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24 December 2025 to 1 January 2026

24 December 2025 to 1 January 2026: The German National Library will be closed at both locations. The exhibitions of the German Exile Archive 1933–1945 will also be closed. The exhibitions of the German Museum of Books and Writing will open from 10:00 to 18:00 on 27, 28 and 30 December.

International Standard Serial Number (ISSN)

  • Launched: 1973
  • Objective: To assign the ISSN (International Standard Serial Number) and create a bibliographic description for newspapers, serial publications, blogs, databases and similar that are published serially with no scheduled conclusion.
  • Role of the German National Library: Functions as the national ISSN centre in Germany; involvement in further developing the standard
  • Additional partners: ISSN Network
  • More about the ISSN centre in Germany
  • http://www.issn.org

Last changes: 18.05.2021

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