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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

April 14, 2022

OCW April 2022 Update

For April 2022, Oxford Constitutions of the World adds 1 new document and 1 historical document.

March 31, 2022

OCW March 2022 Update

For March 2022, Oxford Constitutions of the World adds 2 new documents and 1 historical document.

February 24, 2022

OCW February 2022 Update

For February 2022, Oxford Constitutions of the World adds 2 new documents and 1 historical document.

January 27, 2022

OCW January 2022 Update

For January 2022, Oxford Constitutions of the World adds 4 new documents and 1 historical document.