Bonn University and State Library
The bonnus search portal
Main Library
Opening timesMon. - Fri.: 8 am to 10 pm
Sat. + Sun.: 8 am to 8 pm
Borrowing and returning items
Mon. - Fri.: 10 am to 10 pm
Sat. + Sun.: 10 am to 8 pm
MNL Branch Library
Opening timesMon. - Fri.: 8 am to 10 pm
Sat. + Sun.: 8 am to 8 pm
Borrowing and returning items
Mon. - Fri.: 10 am to 10 pm
Sat. + Sun.: 10 am to 8 pm
Information
Mon. - Fri.: 10 am to 5 pmHB: information@ulb.uni-bonn.de
HB Tel.: +49 228 73-7525
MNL: benutzungmnl@ulb.uni-bonn.de
MNL Tel.: +49 228 73-3405
The Bonn University and State Library (USL) will not be able to provide you with its interlibrary loan service for books and book chapters between June 5, 2023 and (provisionally) August 14, 2023.
New library management system Alma
The reason is the switchover to the new library management system Alma
Start slated for mid-August
Contacts
Information on the USL’s organizational structure, including all its divisions, details of who is responsible for what, and an overview of contacts from A to Z.
Current projects

New Alma library system
In August 2022, the USL is beginning its switch to a new library management system, which is set to go live in September 2023.

NS-Raubgut project
The project is designed to produce the first-ever systematic review of the USL’s old holdings focusing specifically on books seized as a result of Nazi persecution and is the largest undertaking of its kind currently underway in Bonn.

Digitization of historical newspapers in NRW
The government of North Rhine-Westphalia has been funding a state-wide project to digitize its historical newspapers since 2017.
For researchers from the University of Bonn
Research data management
The Research Data Service Center can assist you with all aspects of research data management, from planning and proposing research projects to publishing and archiving your research data.
Open Access Service Center
The service center provides you with comprehensive support, from details of current funding opportunities through to advice and information on choosing the right license.
bonndoc—the University of Bonn’s publication server
Academic works from the University can be published electronically on bonndoc.
Specialist advice
The team of subject librarians can give you wide-ranging specialist advice on things like literature searches, reference management and requesting the purchase of new items.
Did you know...?

The BonnerBibliotheken partnership
This lets you run simultaneous searches in the catalogs of public libraries based in Bonn and the surrounding area.

Cultural heritage in the USL
If you have any questions about the items we hold, would like to do some research in our collections, are interested in historical and cultural studies in the Rhineland region or want to deposit your publication with us as an obligatory copy, our website is just the right place for you.