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Welcome to US Constitutional Law

US Constitutional Law (USC) provides a comprehensive research resource on the law, politics, and history of constitutionalism in the United States at the federal and state levels. Combining extensive primary materials with expert commentary, the service provides researchers with unparalleled access to the historical development of federal and state constitutionalism.


Democracy Collection

To celebrate the International Day of Democracy 2020 (15 September) explore our curated collection of Max Planck Encyclopedia of Comparative Constitutional Law articles, Oxford Constitutions of the World articles, and book chapters covering key issues, jurisdictional perspectives and the essential terminology of Democracy. All content is free to read until 15 December 2020.

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Site News

September 23, 2021

MPECCoL September 2021 Update

The Max Planck Encyclopedia of Comparative Constitutional Law has added 5 new articles to the collection, taking the total to 273.

August 23, 2021

OCW August 2021 Update

For August 2021, Oxford Constitutions of the World adds 3 new documents and 3 historical documents.

July 29, 2021

In memoriam Judge James Crawford (1948-2021)

With the passing away of Judge James Crawford, the world lost one of its most formidable international lawyers. Born in Australia in 1948, James Richard Crawford had an equally fascinating as rewarding career as a scholar, practitioner and judge. Few people, if any, have left their footprint in one lifetime in so many domains of international law.

July 26, 2021

OCW July 2021 Update

For July 2021, Oxford Constitutions of the World adds 3 new documents and 3 historical documents.