Collections
- Belgium Collection
- Library Dr. Franz Schonauer
- Library Prof. Dr. Ludwig Wolff
- Research Library Prof. Dr. Hans-Hugo Steinhoff
- Map Collection
- Microfiche Collection "Corvey
- Hans Albert Peters Collection
- Collection Prof. Dr. Josef Adolf Schmoll gen. Eisenwerth
- Collection of regional literature
- Zugschwerdt'sche lending library