Data Service: Changes in MARC 21 format for holdings of the German Union Catalogue of Serials (ZDB) from week 20, 2014 and week 21, 2014 (export release 02/2014)
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11 September 2025
Thursday, 11 September 2025: The German National Library will not open until 15:00 due to a staff meeting at both locations. The exhibitions are open during regular opening hours.
