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Welcome to Oxford Scholarly Authorities on International Law

Oxford Scholarly Authorities on International Law (OSAIL) contains over 180 full-text online editions of market-leading reference works and treatises published by Oxford University Press, including Oppenheim, and the Oxford Commentaries on International Law.

United Nations 75th Anniversary Collection

This United Nations Day (24 October 2020) marks the 75th anniversary of the entry into force of the UN Charter. In recognition of this milestone we have created a collection of articles and chapters that provide commentary on the role of the UN in international law over the past 75 years, and its significance to the development of global human rights and international peace and security. All featured content is free to access until 30 November 2020.


Site News

March 4, 2021

New Titles

1 new title has been added to OSAIL

March 2, 2021

New Headnotes

3 updated and 2 new headnotes have been added to Oxford International Organizations.

February 28, 2021

New Cases

11 new cases have been added to ORIL.

February 15, 2021


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