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…

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

How do you pick a topic and research question for your thesis or paper? And is your schedule realistic? Check out the tutorials and resources below.

Text and Data Mining (TDM) is increasingly applied in various academic disciplines to extract useful information from unstructured textual data using computational methods.

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

Would you like to have your monograph published Open Access? This is becoming ever so attractive. Authors and publishers are increasingly discovering that online publication stimulates higher sales numbers of paper books.

Welcome to Leiden University Libraries (UBL).

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.

Workshops, lectures

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

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

Teaching materials are the resources that you created, in the context of your position at the University, for the purpose of teaching your students.

The collection Prints, Drawings and Portraits comprises over 100,000 prints, 12,000 drawings and 30,000 portraits.

Need a resource the library does not own?

Overview of the Scaliger, Brill, Elsevier, Van de Sande, Juynboll, Drewes, Isaac Alfred Ailion, Arminius, Van Gulik and Lingling Wiyadharma Fellows who have conducted research in the Special Collections of the University Library.

This Subject Guide is designed to support students of International Studies with writing their BA thesis and research papers. This guide focuses on the research process, and suggests effective ways to: 1. find a topic and formulate a good research question; 2. search, find and evaluate literature; 3.…

Overview of databases, reference works and websites for South and Southeast Asian Studies.

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

In this FAQ we try to answer a selection of the most important questions on research data management that we compiled over the last 5 years.

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

Read all about the most important functionalities of EndNote.

The Special Collections Reading Room houses a collection of 800+ facsimiles of Western manuscripts originating mostly from Medieval Europe. They enable students to consult a 3D version very close to the original manuscripts kept worldwide, especially those with contents or from cultural traditions that…

The UBL provides access to an endless collection printed and online journal articles

Most questions we receive about Open Access concern funding.

The Western manuscript, archival and letter collections consist of books and documents written in Latin, Greek and Cyrillic script.

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…

“Digital Scholarship” comprises the many different ways in which researchers can make use of digital technologies for the purpose of academic research.

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…

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

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

Scanners, copiers and printers are available at all of our library locations.

Leiden is a knowledge hub, unique in its kind in the Netherlands, for academics, professionals, students and all other people who are specialized or interested in photography. The city and university offer:

A collection consists of items and parts that have been collected by one or more individuals or institutions not responsible for their formation. An archive has been created by one or more individuals or institutions.

Practical information on submitting your dissertation

Artificial Intelligence (AI) has introduced itself into everyone's lives. Naturally, Leiden University Libraries also has to address the development of AI. In this subject guide, we will give a short introduction to (Gen)AI and its effects on the university library. This subject guide has also been…

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 standard loan period for items borrowed at Leiden University Libraries (UBL) is 3 weeks.

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

The Scaliger Institute facilitates research in Special Collections by initialising projects, organising symposia, publishing research results and fellowships.

Overview of databases, reference works and websites for research in Cultural Anthropology

Overview of databases, reference works and websites for historical research

Webinar with Q&A

Overview of databases and reference works for research in journalism and new media.

Overview of databases, reference works and websites for research in Dutch language and culture.

You are a PhD candidate and the completion of your dissertation is approaching. What to do next?

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

Overview of databases, reference works and websites for research in Public Administration