Overview of databases, reference works and websites for research in Computer Science.

According to a rough estimate the western manuscripts collections and (private) archives contain some 500,000 letters, of which over 300,000 are catalogued. The letters kept in the University archives are not catalogued; the same holds for most letters kept in the oriental collections. They can be found…

Leiden University alumni and PhD graduates can continue to use library facilities free of charge.

The Walaeus Library is Leiden University Libraries' medical library. The library is located on the first floor of the Leiden University Medical Center (LUMC).

Geographic information systems (GIS) are computer-based systems for editing and displaying spatial data. GIS tools allow users to create interactive queries, analyze spatial relationships, patterns or trends and visualize the output of all these efforts.

The UBL develop collections which support the needs of faculty and students of the University.

Study support

What we now call ‘early printed books’ used to be ‘modern’ works in former centuries.

Copyright is designed to protect you as the author of your work (moral rights) and to encourage the distribution of your work (exploitation rights).

The libraries offer several group study rooms, for use by Leiden University students. Rooms need to be reserved in advance, using the university's study places booking system.

Addresses, contact information and opening hours for all Leiden University Libraries (UBL) library locations.

Overview of databases, reference works and websites for research in Philosophy

Welcome to the Sub-guide for North Korea. This Sub-guide is designed for students looking to locate, access and use a wide variety of scholarly and non-scholarly sources which are either (1) published or produced in North Korea or (2) about North Korea. This Sub-guide is a part of the General Subject…

This Subject Guide will provide you with an overview of useful databases and online resources available within and outside the University Library. This subject guide is your starting point, aiding you in finding sources for any research field within the field of International Studies and International…

A personal library account and LU-Card is needed to enter the libraries and use on-site facilities.

A systematic review answers a central question by summarising (all) relevant studies.

The domain of the post-medieval manuscripts and private archives covers the period from about 1550 to the present. A clear distinction with the medieval manuscripts, however, is difficult to make. There are many undated manuscripts and it is often difficult to date them even within a decade or a quarter…

There are several excellent options for teachers and researchers to engage students and other audiences with primary sources. Either by requesting items from the Special Collections for use during lectures or by integrating our educational resources into your lesson plans.

We have inspiring study places at all our locations. Some 2300 in total. Whether you want to work alone or in a group or need a computer, you will find the perfect spot in the library. Some study places have to be booked first.

Overview of databases, reference works and websites for research in Molecular Science & Technology

Overview of databases, reference works and websites for historical research

Overview of databases, reference works and websites for research in Physics.

Overview of databases, reference works and websites for research in African Studies

UBL has assigned a Subject Librarian or Medical Information Specialist to each department and program who provides in-depth assistance for researchers and teachers

From as little as €45.00 per year, Friends enjoy special benefits. As a Friend you: support the UBL financially. The foundation of Friends regularly contributes to the purchase of a unique items or make a financial contribution to the organisation of exhibitions; become part of a network of…

Overview of databases and reference works for research in Archaeology.

The Netherlands Code of Conduct for Research Integrity defines plagiarism as ‘the use of another person’s ideas, work methods, results or texts without appropriate acknowledgement’. The definition at Oxford University is somewhat more extensive: ‘Plagiarism is presenting someone else’s work or ideas…

The number of historical and contemporary photographs of Leiden University approaches a half million.

The photo collection of South and Southeast Asia contains material collected by the Kern Institute and the Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV). In addition to photo prints in various techniques, the collection also includes (lantern) slides, picture postcards…

In the course of over four centuries the book collections have been greatly enlarged thanks to the bequests and grants or the purchases from the propriety of scholars or private collectors. Sometimes it concerned collections with thousands of early printed books, such as the purchase of the library…

Looking for a book? Materials within the Leiden University Libraries (UBL) collection are (mostly) arranged according to the Library of Congress Classification.

Subject librarians and Medical Information specialists employ general criteria when evaluating titles to be added or removed from the collections, some criteria having greater or lesser importance depending on subject area.

The G.W.J. Drewes Fund was invoked to celebrate the transfer of the scholarly legacy of Professor Drewes to the UBL and to mark the opening of the Asia Library in the University Library at the Witte Singel. The fund provides financial support to one or more fellowships at the Scaliger Institute. The…

Training

Library staff will select, acquire, catalogue and manage materials to support teaching, learning and research at Leiden University. We aim to have all required study literature available online or in print at the beginning of the semester. Do you think that some titles are missing? Contact your…

The core business of the UBL is to support research and education by making information available and accessible in a sustainable and open manner. In addition, the UBL also has a social, cultural and international role, partly because of the heritage it manages. To this end, we offer a digital and physical…

The special collections from Japan and Korea are located at the central library building at Witte Singel, where it forms a part of the Asian Library.

The University Library's Open Science services are available to individual researchers as well as on the level of the University's faculties and institutes.

Overview of databases and websites for research in Astronomy

From July 2025 to March 2026, various major renovations will take place in the University Library. Both the transparent domes, the skylight between both halls and the installations for air treatment and heating will be replaced. This will allow the University Library to be cooled and heated more sustainably…

A web lecture is a recording of a presentation, a lecture, a class, a keynote, or even a workshop that can be viewed after the event has taken place.

Visiting address Postal address Witte Singel 27 2311 BG Leiden 071 - 5272814 (General) 071 - 5272857 (Special Collections) Postbus 9501 2300 RA Leiden Courier services Witte Singel 27 2311 BG Leiden Goods deliveries Maliebaan 30 2311 CC Leiden

Overview of databases, reference works and websites for research in Art & Art History

The Special Collections of Leiden University Libraries contain a world-renowned and vast collection of old prints, manuscripts, archives, prints, drawings and photography. Our collections are accessible to Leiden researchers and students, as well as external researchers and other interested parties.

Overview of databases, reference works and websites for research in Urban Studies

Overview of databases, reference works and websites for research in religious studies.

A guide for finding Korean newspapers, magazines, live TV broadcasts and audiovisual materials.