Basic International Law 2025 / Elementary International Law 2025 is a current and comprehensive collection of legislation, compiled by the T.M.C. Asser Institute in collaboration with lecturers from Dutch law faculties. This volume is intended for use in education in international public law.
The publication includes a carefully selected collection of important international and national legal sources. With this, students and lecturers have one complete reference work for lectures, seminars, and exam preparation.
The volume includes, among other things:
- International treaties
- UN resolutions
- Dutch and international case law
- Important laws and regulations within international public law
- Current legal sources for education and practice
Most texts are in English, in keeping with international legal education and English-taught subjects. Thanks to the biennial update, the content is aligned with the latest developments in international law.

