Leiden University Libraries is building a Middle Eastern Library. Learn all about our collections, news, events and the building process.

Digital edition of the correspondence between the philosopher Gerardus Johannes Petrus Josephus (Gerard) Bolland (1854-1922) and the philologist Pieter Jacob Cosijn (1840-1899), consisting of 46 letters covering the period 1879 to 1899.

For questions related to Leiden Latin American and Caribbean Centre, please contact Mara Constantinescu, the Regional Coordinator for Latin America and the Caribbean.

Are you thinking about studying Public International Law? Learn more and watch the videos.

The Netherlands-Flemish Institute in Cairo is an active research institute of Leiden University. Apart from the research carried out by our own staff, we also provide support and assistance to researchers from our affiliated institutions in The Netherlands and Flanders.

Are you thinking about studying the Advanced LL.M. Public International Law? Learn more and watch the videos.

Presenters will be expected to give a proper introduction of the project and describe their aims in a clear and concise manner. Progress and problems will be addressed to evoke a discussion. Undergraduate students are also supposed to present their work when their daily supervisor is scheduled.

Are you thinking about studying Computer Science? Learn more and watch the videos. Note: As of September 2025 you can also combine this master programme with the Business Studies specialisation.

Research within the department of Philosophy of Law is mainly focused on the history of the philosophy of law.

On this page you can follow PhD defences by Leiden University researchers via live stream.

As an exchange or study abroad student at Leiden University, you will generally follow a selection of taught courses in Leiden or the Hague. In some circumstances, it is also possible to do a project, internship or research.

Meet the people behind Science for Sustainable Societies! As a small-scale and hands-on bachelor’s programme, our team plays a big role in shaping your learning experience. In this section, you will find monthly interviews with the people who make this programme happen: our teachers, researchers, and…

The Leiden Leadership Programme (LLP) employs experts in the field of leadership. They equip LLP students with the necessary leadership knowledge, insights and skills to increase their social impact.

To help you improve your skills in communicating about your research in English, the Graduate School has an in-house Academic English Lecturer.

Supporting faculties of Leiden University in optimising their education.

Choosing a study programme at a research university or university of applied sciences can be tricky. There are so many options! Where should you begin? We will guide you step by step through the study choice process, to the study programme that’s right for you.

As a supervisor, you play a vital role in guiding and supporting your PhD candidate throughout their academic journey. Here are some important responsibilities and steps you need to consider.

The Van Bergen Fund provides financial support to study associations of Leiden University for initiatives that promote contact between Dutch and international students. A good plan will receive a subsidy from the Van Bergen Fund.

The dissertation’s general aim is to investigate how a peer educator intervention can promote social acceptance of LGBT in pre-vocational education and whether the activities in this intervention ensure that students learn to respectfully deal with LGBT people in school.

In the Criminal Justice research programme, (criminal) law researchers and social scientists – many of whom are criminologists – collaborate on various projects. The research programme focuses on the content and form of decisions that could be, should be and are taken in by actors in the criminal justice…

Research in the arts at the Academy of Creative and Performing Arts (ACPA)  

Within the Faculty of Social and Behavioural Sciences (FSW), D&I translates as the diversity of backgrounds, perspectives, and identities among both students and staff.

The Ra’s al-jinz project tackles economic diversification and social complexity in non-urban societies, from the perspective of Eastern Arabia, by exploring the Early Bronze Age settlement of Ra’s al-jinz RJ-3.

Every month a member of the Institute for History tells about a book that inspired him or her. Afterwards, the pen is passed on to another colleague. This month dr. Meike de Goede tells about the book 'Between Tides' by Valentin Mudimbe. The novel, little known beyond the circles of Africanists and…

Meet the students behind Science for Sustainable Societies! In this section, you will find monthly interviews with the students who are following this programme. They will share what drives them, what they enjoy about their study, their views on our programme and what inspires them about sustainability.…

Central to Nuranisa’s PhD project is the cultural diplomacy practiced by the Javanese courts of central Java (Surakarta, Yogyakarta, Pakualaman and Mangkunegaran) in response to the increasing Dutch colonial power in the 19th and early 20th century.

Find out more about the programme International Children's Rights. We teach you to respond to (inter)national legal developments in relation to children.

From Great-Britain to the United States and from Australia to South Africa: people around the whole world speak and write English. In Leiden you will broaden your knowledge of the English language and the rich Literature and culture of the global English world on academic level.

Dive into the heart of archaeological science: explore the flora and fauna of bygone ages, study human bones and teeth, analyse the cultural biographies of material objects, or become an expert in the use of digital data in archaeological research.

The Centre for Public Values & Ethics (CPVE) is an interdisciplinary, academic centre of expertise aiming to conduct and disseminate scientific research on normative issues in the public sector, in particular the fulfillment of public office and the planning, making and executing of public policy, both…

The Leiden University Medical Anthropology Network (LUMAN) brings medical anthropologists together with the aim of fostering interfaculty collaborations and creating common ground for working interdisciplinary on health-related themes in Leiden and beyond.

Expand your knowledge, gain international experience, and explore global challenges. From summer schools and online courses to virtual exchanges, Leiden University students at all levels (bachelor’s and master’s students, and PhD candidates) can participate in a range of learning opportunities.

In this article, Thomas Maguire, assistant professor at the Institute of Governance and Global Affairs, examines the intelligence of the US, British and Ukrainian governments and NATO partners concerning Russia and its war against Ukraine. This article discusses how and why governments communicate intelligence…

Here are some systems and infrastructures that are useful to students.

Previous research has found important inter-individual differences in the pharmacokinetics (PK) of morphine in special populations such as children, the morbidly obese or the critically ill.

Assessing Learning in Higher Education addresses what is probably the most time-consuming part of the work of staff in higher education, and something to the complexity of which many of the recent developments in higher education have added. Getting assessment ‘right’– that is, designing and implementing…

Increasingly, primary sources from the period before the emergence of digital media are being digitized. These “digital surrogates” have facilitated the work of (historical) researchers; instead of having to visit several archives, libraries and other places, the (primary) sources appear in front of…

On the 17th of June Rea Matsangou successfully defended a doctoral thesis and graduated.

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To log into many university systems you now need to use Multi-factor authentication (MFA). This means that as well as entering your username and password, you also need to confirm your identity via an additional method.

How can we ensure a more resilient and sustainable supply of Rare Earths in the EU in the future?

The Leiden University Sustainability Network is the platform for Leiden University staff and students to combine their efforts and support each other in making our university more sustainable.

The research that is united in the Liveable Planet programme, touches upon a wide range of aspects of human life. The goal is to deepen and expand the scope and to connect more researchers. The following case studies are examples of current research projects.

In educational settings such as museums, universities and schools, white, male, able-bodied and rational subjects still dominate. Although there has been a lot of theoretical work on processes of in- and exclusion through racialization, sexualization, and disabilization, we still know very little about…

The protection of civilians (POC) in armed conflict has become a core strategic objective for the United Nations system and for UN peace operations in particular. The UN, however, is not the sole actor engaged in POC.

The Gorlaeus Building will be constructed in three phases, with the new building due to be completed by 2028.

The project Deconstructing Stability aims to improve reconstructions of late prehistoric landscapes and predictive models for the purpose of archaeological heritage management.

Dr Karolina Pomorska has been awarded the Jean Monnet Chair “EU and the World” for three years (2018-2021). Jean Monnet Chairs are teaching posts with a specialisation in European Union studies for university professors, awarded by the European Commission in a highly competitive peer-reviewed proces…