The Max Planck Encyclopedias of International Law

Welcome to the home of the most trusted reference work in international law, the Max Planck Encyclopedia of Public International Law, as well as the recently launched Max Planck Encyclopedia of International Procedural Law. The two Encyclopedias can be searched and browsed together, or separately by using appropriate filters. Find out more about the Encyclopedias and their teams by following the links on this page.

Open Access and the Max Planck Encyclopedias of International Law

We are excited to share that we have reached our goal for renewals, and the Max Planck Encyclopedias of International Law has now been converted to a Subscribe to Open model.

Find out more about this groundbreaking initative.