E-book offers

The UL is continuously expanding its range of electronic media by by licensing ebooks from from all disciplines.

Around 580.000 e-books are currently available, partly accessible for a limited time in projects of user-controlled acquisition.

In addition, many e-books are available via national licences financed by the DFG.

Currently in focus - new offers

Logo CUP

From now until 28.02.2025 you have access to 50,000 e-books from Cambridge University Press.

In addition, the University Library has licensed around 1,300 textbooks from Cambridge University Press, which are available to you until 25.02.2025.

Cambridge University Press
Grafik: Logo des Verlags Mohr Siebeck

Over 5,300 e-books from Mohr Siebeck will be available until 31.01.2025.

Key topics include theology, Jewish studies and philosophy.



Mohr Siebeck
Grafik: Logo des Verlags Peter Lang

The University Library has extended access to Peter Lang's e-books until 31.01.2025 and added French and Spanish-language e-books.
A total of over 17,000 titles are available.

Peter Lang

User-driven acquisition (EBS)

Here you will find temporary offers of user-driven acquisition (EBS); the e-books are listed in the Primo catalogue. After the offers have expired, some of the e-books are selected and are then permanently available.

Some offers are made possible by the Initiative E-Books.NRW.

Click here to check out offers

How to suggest e-books for purchase

The title you need is only available in print or not even available at all?

The library would like to buy more e-books, which are available for all UDE members.

Suggest titles for purchase!
We will then check whether the e-book can be purchased for UDE-wide use.

Your order request: go to the form

How to use e-books

University members of the UDE can use licensed e-books regardless of time and location. For access from outside the campsite, please log in via Shibboleth or VPN. For both login methods, your UDE identification (= Unikennung) and the corresponding password are required.

External users can access e-media at PC workstations in the Humanities and Social Sciences Library and in the LK Library. Access to electronic media from home, e.g. via VPN, is not possible.

Opening and service hours

Access via Shibboleth

Shibboleth is a method for distributed authentication and authorization for web applications and web services. For authentication you need your UDE identification (= Unikennung) and your password.

Instructions for shibboleth authentication

Access via VPN

Through access via VPN (Virtual Private Network) you build a tunnel to the UDE network. All your data traffic is transmitted via an encrypted connection via the UDE VPN server. As long as the connection exists, your computer is assigned an IP address from the university network.

Accessing the Internet via VPN

Please note:
Usually, e-books can be used by several users simultaneously.

For some e-books only a limited number of simultaneous accesses is available. In this case, you will be notified when all available licenses are used. Please try again after some time.

Terms of use for electronic resources

Do you have any questions?

If you have any questions regarding the use of e-books, we will be happy to help you: