The university library will be closed from December 20, 2025 to January 11, 2026. From January 12, 2026, regular opening hours will apply again. Exception: The main medical library and the central library will be open again from January 5, 2026. Further information
Gemeinsame Normdatei (GND) im Katalog der Deutschen Nationalbibliothek 
Virtual International Authority File (VIAF)