Holdings & shelfmarks

Duisburg-Essen UL is an academic universal library.
Our literature holdings are mainly freely accessible in six branch libraries.

Our stocks

How large are the holdings?

  • about 2,4 million printed books,
  • about 340.000 e-books,
  • about 1400 current print journals and
  • about 64.000 electronic journals.
Information on portfolio development

How are the holdings arranged?

The UL's holdings are systematically arranged by subject in the branch libraries and are freely accessible.

An overview of the arrangement system can be found on the information boards on the shelves.

Go to the classification system

How do I search?

Our holdings are listed in our Primo catalogue with self-service functions (renewals, reservations etc.).

You can access your library account via Primo and, among other things, independently renew loans and place reservations.

Go to Primo

Structure of our shelfmarks


Location marks:

The structure of the shelfmarks is the same in all branch libraries.
The letters D and E indicate the respective locations in Duisburg or Essen.

Generally applies:
"odd location mark" = loanable stock, e.g. D01/E11
"even location mark" = non loanable stock, e.g. D00/E14.

Location overview

Journal shelfmark:

Duisburg magazines up to 1980 may contain the letters A to Z.

To the subject groups