Can the ISSN be used as part of the bar code?
Yes, the ISSN is an element of the GTIN, the Global Trade Item Number (formerly EAN), the most important barcode symbol in the global trading system. More information is available from GS1 Germany .
Navigation and service
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.
