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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 CDS helps researchers to try out new methods and techniques, and to collaborate and learn, to create software and to maintain it.

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.

The composition and maintenance of Research Software is an increasingly important task in the development of research projects.

Prof.dr. Mariken Teeuwen (chairman) Prof.dr. Gabriëlle van den Berg Dr. Rob van den Berg Dr. Gijs van der Ham Drs. Jan de Klerk Vincent Mentzel Dr. Rosalien van der Poel (treasurer) Dr. Roger Tol (secretary) Administrative secretary: Drs. Martijn Storms (Curator Maps and Atlases)

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

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

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 Linguistics

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

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

Overview of databases, reference works and websites for historical research

Overview of databases, reference works and websites for Research in Russian and Eurasian Studies

Overview of databases, reference works and websites for Law

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

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

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 (digital) course reserve shelf offers the possibility to set library materials for a designated period aside.

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

Leiden University Libraries' favourite tools to facilitate your online work and research.

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…

Searching for relevant scholarly information can be a challenge. These tutorials can help you navigating the catalogue and other databases.

The libraries offer over 2300 study places. Some are freely available, some are available to Leiden University students only.

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 archives created by Leiden University and the private archives of Leiden professors are an invaluable source for the history of the university and its functioning. The main sources have been edited (nearly always in Dutch). In addition, several studies have been published, describing the development…

As people spend ever more time in cyberspace, so do criminals. The more reliant we become on digital technology, the more vulnerable we are to hackers, surveillance, and cybercrime. The past decade has made clear that cybercrime does not only affect individuals and organizations, but that nation states,…

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…

Overview of databases, reference works and website for research in the History of Science

De Universiteit Leiden is al 25 jaar stevig geworteld in Den Haag. Dat werd zichtbaar tijdens de feestelijke bijeenkomst rondom de foto-expositie Universiteit Leiden in Den Haag: Onderzoekers van de stad.

Portraits that gaze at you and have moving stories to tell: HEAR ME NOW says what usually remains unsaid.

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