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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.  

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Site News

June 5, 2019

MPEPIL May Update

3 new and 8 updated articles are now available on MPEPIL.

June 4, 2019

Treaty of Versailles Centennial

Explore a collection of articles and chapters on the Treaty of Versailles.

May 30, 2019

OXIO May update

Oxford International Organizations (OXIO) added 3 headnotes for May 2019.

May 17, 2019

OSAIL May Update

4 new titles have been added to OSAIL.