Universität Bonn

University and State Library

bonnus - The Search Portal of the University of Bonn

The bonnus search portal is the main search tool used at the Bonn University and State Library (USL), where you will find all our printed and electronic holdings. These pages will tell you all you need to know about the search portal.

Was ist neu in bonnus
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What's new in bonnus?

The switch to a new library management system brought about some major changes to bonnus in August 2023. Here’s an overview of the main ones.

FAQ zu bonnus
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FAQs on bonnus

Here you can find all the frequently asked questions about bonnus.

Eine Wissenschaftlerin und ein Wissenschaftler arbeiten hinter einer Glasfassade und mischen Chemikalien mit Großgeräten.
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bonnus gives you a wealth of options for your searches.

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The availability information shows you how you can access individual items, whether they’re held in printed form or electronically.

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Information and tips on the account features in bonnus

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Technical specifications

Find out more about the individual components that make up bonnus, the technical processes that run in the background during a search in bonnus and what permalinks can be used.

Searching for literature

Looking for a particular book, periodical or periodical article or for general literature on your subject? We’ll show you the best way to go about finding it.


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Anke Schmitz-Reinhard

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