- The Max Planck Encyclopedia of Public International Law Online contains 1,700 articles dealing with international criminal law, international dispute settlements, labor laws, nature conservation laws and more.
- The Max Planck Encyclopedia of International Procedural Law maps and analyzes the systems and processes by which international law is created, interpreted and judged in practice. new 2019/9
The monographs are linked to Oxford Law Citator, Oxford Reports on International Law and Investment Claims. They are available by subscription separately or as part of Oxford Public International Law.