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Library Service Center (BDZ)

The Library Service Center (BDZ) provides interdisciplinary information, training and advice on library use (such as digital services, inter-library loan and document delivery, loan account and library card). To contact the BDZ, you can go to the Reference Desk (Unit U0) or the Central Lending Desk (Unit U1) in the library.


Reference Desk

Site Map U0

Opening hours
(Area U0, Entrance via U1)

Mon – Fri 08.00 – 01.00
Sat, Sun, Public Holidays 08.00 – 22.00

Library Professional Assistance / Special Reading Room

Mon – Fri 8.00 – 18.00


Phone: +49 521 106-4114

We will be pleased to answer any questions on library matters. You can also ask questions via live chat or e-mail support ("mailbox"). You are welcome to arrange a consultation as a video conference with us by e-mail.

Our Services

  • Qualified reference and information retrieval assistance
  • Introduction to the library, the library catalogue and databases
  • Tuitions for students, university staff and external users

In the Reference Desk You Can Find

  • The "!" (open discussion area)
  • Journal Reading Corner with numerous local, national and international newspapers
  • The Reading Corner with the news magazines: art, Chip, Cicero, Emma, Focus, Geo, Natur & Kosmos, Öko-Test, Spiegel, Stern and Test
  • Collection of general reference works: encyclopedias, biographies, bibliographies, directories
  • our Book Studies, Library and Information Science collection
  • the Special Reading Room for the use of rare or particularly protected material
  • Microform collection plus scanners

Central Lending Desk

Site Map U1

Opening hours / Contact
(located at the entrance U1 / law library, see also map of the library)

Mon - Fri: 8.00 – 18.00 (by phone from 8.00 –16.00 at +49 521 106-4036)
Sat, Sun, public holidays: closed

In case of questions the Central Lending Desk can be contacted via e-mail at

The Central Lending Desk is responsible for:

User Administration

  • Issuing UniCards (library cards) for external users
  • Help with login problems in the loan account for external users
  • Locking of the UniCard in case of loss / lifting of user locks
  • Issuing replacement cards

Interlibrary Loan

  • Pick up of media ordered via interlibrary loan
  • Return of borrowed media
  • Consultation / complaints about interlibrary loans
  • Foreign orders
  • Special cases

Fee Administration

  • Collection of overdue fees and interlibrary loan charges
  • Recording of reports on book loss / book damage (also possible online) and subsequent further processing

Administration of the bag and suitcase lockers

  • Acceptance of reports of lost keys and subsequent further processing

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