Open Researcher and Contributor Identifier (ORCID) is an international system for the persistent identification of academic authors.

When writing a paper or thesis you are bound by the principles of academic integrity. There are strict rules concerning plagiarism. Citing your sources right is important to prevent plagiarism. But how do you read a reference and how to cite right?

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

If you want to use our library services, it's important that you have an activated LU-Card.

A number of tools and services are available to help you keep up to date with the latest developments in your subject field.

Some books have particular features such as design, unique illustrations and descriptive annotations. These features can be of interest for specific research.

The Student Repository is part of Scholarly Publications Leiden University and offers an online archive that makes Bachelor and Master theses easily searchable and publicly available.

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

Read all about the most important functionalities of Mendeley.

Leiden University Libraries (UBL) owns over 5 million paper materials. Loanable items can be picked up and returned at the UBL library location of your choice.

Amid rising polarisation and discrimination, lawyer and human rights activist Lilian Gonçalves-Ho Kang You wants to show in her Cleveringa Lecture on 26 November how dangerous exclusion is.

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.

Lecture

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.…

Do you need help finding information or do you have a question about using the library?

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 Centre for Digital Scholarship offers several opportunities for training on data management. Topics included are policies and requirements, sensitive data and GDPR, data sharing and consent, publishing and archiving data, Data Management Plans, FAIR data (Findable, Accessible, Interoperable and…

Overview of databases, reference works and websites for Law

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…

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

Inaugural lecture

The Leiden University Libraries (UBL) catalogue contains millions of (e-)books, (e-)journals, manuscripts, letters, and other materials available at the UBL.

Freedom is not something we can take for granted. In its thematic programme ‘Oppression and Freedom’, Leiden University Libraries (UBL) has explored views on identity, relations and the interaction between individuals and groups in the past. The programme included several (online) exhibitions, workshops…

Leiden University Libraries (UBL) is an internationally recognised research library with world-class collections and advanced services for education and research. The UBL provides these scholarly information services as a trusted partner in knowledge for researchers, teachers and students. We create…

Anyone wishing to make a substantial contribution to Leiden University Libraries can have the donation earmarked for a specific purpose. You can set up this fund to support a specific collection or research area. These so-called Named Funds are therefore always customized. It is also possible to donate…

Leiden University Libraries (UBL) participates in international interlibrary loan services (ILL) and document delivery for libraries worldwide.

Leiden University teachers wishing to stream audiovisual materials during online classes, can book the University Library's media room (ground floor) for this purpose.

The University Library (UB) offers guided group visits, introducing our collections and the rich history of the library.

Read all about the most important functionalities of EndNote.

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…

At the moment a lot of discussion surrounds ChatGPT, an advanced chatbot which uses Artificial Intelligence (AI). ChatGPT is based on a Large Language Model (LLM) and has been trained using an enormous amount of text, providing it with knowledge of grammar, semantics and contextual nuances. The program…

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

Under agreement with the Dutch National Archives (2011), all static archives created by Leiden University are kept as a loan in the University Library. In this way, users can study the history of the university and library in conjunction with other relevant archives, collections and items.

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.

Open Access provides free online availability of research output without restrictions. Open Access increases the visibility of a publication enormously. The Executive Board has decided that Leiden University will endorse Open Access.

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

The Asian special collections comprise tens of thousands of rare books, thousands of manuscripts, maps, prints, drawings and photographs, and hundreds of archives.

Study support

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

Book reviews give you a quick overview of the main arguments, quality and structure of a book.

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…

Knowing where scientific information can be found and how to use it is of great importance for getting through university. In collaboration with teachers, UBL guides students in information literacy skills: from assessing information to searching in the Special Collections and citation management.

The Centre for Digital Scholarship offers training, events and presentations for members of Leiden University on the many different aspects of digital scholarship.

All Leiden University Libraries' locations are accessible to people with disabilities or health impairments. Our staff will be happy to assist all visitors requiring specific assistance navigating the library buildings or services.

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

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…