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Welcome to Oxford Public International Law

Oxford Public International Law (OPIL) is a comprehensive, single location providing integrated access across our international law services, bringing you one step closer to the perfect research solution.

Our ground-breaking online resources work to speed up research and provide easy access to authoritative content, essential for anyone working in international law.

Treaty of Versailles: Centennial Collection

This year is the centennial of the signing of the Treaty of Versailles. To mark the 100th anniversary we have put together a collection of articles and chapters exploring the background and aftermath of the Treaty, as well as related legal terminology.  

Featured Content:


Site News

July 1, 2019

OXIO Update

Oxford International Organizations (OXIO) adds 14 new headnotes.

June 27, 2019


2 new and 5 updated articles are now available on MPEPIL.

June 27, 2019

ORIL Update

Oxford Reports on International Law (ORIL) adds 16 new cases.

June 18, 2019

World Refugee Day, 20 June

Explore our World Refugee Day resource collection.