Leiden University owns extensive collections of portraits. These include around a hundred painted portraits of scholars, librarians and professors and around 30,000 prints of scholars, politicians, rulers, artists, writers and other persons of fame. A smaller partial collection is that of writers, belonging…

Are you a researcher looking to intensively use our library collections? Book one of our dedicated workplaces.

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…

The Chinese Special Collections are part of the Asian Library. Items can be consulted at the Special Collections Reading Room.

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…

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

We hope library users are happy using Leiden University Libraries' services. If this is not the case, please let us know. We love to receive suggestions, comments and ideas on how we can improve services, and try to learn from complaints. Choose one of the following options to submit your feedback:…

Welcome to Leiden University Libraries!

Most questions we receive about Open Access concern funding.

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…

The Centre for Digital Scholarship offers training, events and presentations aimed at researchers and research support staff affiliated with Leiden University on the many different aspects of digital scholarship.

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.

The Bibliotheca Thysiana Fellowship keeps alive the memory of the young lawyer and book collector and bibliophile Joannes Thysius (1622-1653).

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.

In short, data management can be defined as the creation, storage, maintenance, disclosure, archiving and sustainable preservation of research data. Increasingly the so called FAIR principles are referred to as a final goal: data should be made 'Findable, Accessible, Interoperable and Re-usable'.

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

Library exhibitions, both online and physical, give an idea of the breadth of our collections.

The photographs collection of Leiden University Librarie (UBL) contains specimens of almost all photographic processes from the history of the medium, rare objects and artistic highlights. Together, they shed light on the history of photography as a technique, a means of scientific, historic and personal…

As soon as your thesis has been approved, you will be asked to upload your final version to the Student Repository. The Repository is an online archive for Leiden University theses. You can send all questions regarding your upload to the repository to your Education administration office.

Do you need help with writing your thesis or do you have a question about using the library? Take a look at the sources below.

Workshop

Workshop

Library

The research suggestions below may be suitable for a bachelor's or master's thesis or can be used as additional source material in ongoing research.

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

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.

The Centre for Digital Scholarship offers training on research data management (RDM). Topics include Data Management Plans, FAIR (Findable, Accessible, Interoperable, and Reusable) data, and publishing and archiving data.

Overview of databases, reference works and websites for research in Ancient Near East Studies. Last update: October 2020

Leiden University celebrates its 444th anniversary in 2019, and a special age requires a special logo. The logo for the celebration was designed by Clara Lezla, a student at the Royal Academy of Art The Hague.

On Thursday 11 November, Jan Jaap Hooft and Marjon Hooft donated a special collection of glass negatives and photographic prints from the Arabian Peninsula to Leiden University Libraries (UBL). The collection is part of the estate of their grandfather Jan Albert Hooft (1883-1972). Hooft held a position…

Sexual harassment was the theme of the recent annual symposium of student ambassadors to the Leiden-Bollenstreek police in collaboration with the police and the municipality. An extremely important issue to students − if the 100 places being claimed as soon as the symposium was announced was anything…

In the past few decades, LGBTQ+ acceptance has come a long way. Coming out, however, is still a difficult experience for many people on a personal level. Everyone’s story is different and not everyone belongs to a clear denomination within the LGBTQ+ spectrum. That is why learning about the personal…

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…

As of 2017 the Vera Gottschalk-Frank Foundation has invoked an Arminius Fellowship at the Scaliger Institute. The Foundation supports the promotion of research into all holdings relating to the Remonstrants in the Special Collections of Leiden University Libraries.

Since 2006, publishing house Brill in Leiden has sponsored the appointment of so-called 'Brill Fellows'. The Brill Fellow researches items in the department Special Collections of Leiden University; as much as possible, this research is based on any of the specific publishing areas of publishing house…

Do you have plans to conduct scientific research on the basis of the extensive digital collections of Leiden University Libraries (UBL)? Then the Fellowship Program for Digital Scholarship sponsored by Elsevier is something for you.

The Juynboll Foundation and the Scaliger Institute of Leiden University Libraries have founded a collaborative fellowship program to enable one or two scholars to study the Arabic and Islam special collections of Leiden University Libraries. The allowance is € 1,500 per month.

The Robert van Gulik Fund has established a Robert van Gulik Fellowship at the Scaliger Institute with effect from 2025. The fund thus supports the promotion of research on the sinological collections of the Leiden University Libraries.

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.

The Lingling Wiyadharma Fellowship program offers the opportunity to three scholars to spend up to three months conducting research using the Southeast Asian and particularly the Indonesian special collections at Leiden University Libraries.

As of 2017 the Wouter Swets Foundation has invoked a Wouter Swets Fellowship at the Scaliger Institute. The Foundation supports the promotion of research into the holdings relating to the musical tradition from the Balkans and Turkey to Central Asia in the Special Collections of Leiden University Li…

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

The Isaac Alfred Ailion Fellowship will support scholars to work with the extensive Special Collections of Leiden University in the field of Japanese culture and language for a period of maximum three months.

Old maps, beautifully coloured drawings, early photographs, rare books, and even a genuine love letter. Leiden University Libraries (UBL) holds an important and diverse Japan collection. From January through December 2026, we will organize various public activities around the Japan collections.

If an item is not available at Leiden University Libraries (UBL), you can try and obtain it directly from another library, request it using ILL services, or suggest items for purchase.

All University staff involved or interested in research data management are invited to join Leiden University Research Data Management Community.

The collections of Leiden University Libraries (UBL) not only hold academic material, but also many novels, collections of poetry, non-fiction works and even cookbooks. Is there still some space on your summer reading list? Take a look at the list below and borrow your book through the UBL.

Today is World Philosophy Day. We asked three staff members from the Leiden Institute for Philosophy to name three of their favourite works from the Leiden University Library (UBL) collections. What is: the best introduction to philosophy, the best philosophical work published in the last few years…