The Catalogue
The Catalogue gives access to all printed and digital material.

Go directly to The Catalogue.
What am I searching?
Use the tab Leiden Collections for searching books (printed and electronic), journals, databases, and other physical library content (such as dvd's) and the Leiden Repository.
Click on the tab All Content for searching all of the resources covered by Leiden Collections plus Primo Central Index, a cross-disciplinary resource comprising citations to hundreds of millions articles, many of which are available in full-text.
Special Collections: for searching manuscripts, early printed books, prints, drawings, letters, archives, photos, maps and other materials available at the Special Collections of Leiden University including collection guides and digitized materials.
Access to the Catalogue
Anyone can access the catalogue from anywhere, no login needed. You only need to log in with your ULCN and password if you:
- want to request materials or renew a loan
- want to access to the personal functions in My Account
- want access to our digital collections from outside the university network (only available for students and staff of Leiden University and limited access for Leiden alumni)