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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.


In anticipation of the US 2020 Elections read our collection of constitutional law articles covering key terminology and themes. Content is free to read until April 30, 2020.

Delve into terminology taken from the Max Planck Encyclopedia of Comparative Constitutional Law and the legal definitions of Elections, Authoritarianism, and Direct Democracy. Brush up on key election issues with free online chapters taken from a selection of constitutional law books available on Oxford Scholarship Online. And browse our elections 2020 bookshelf with a selection of recent and upcoming publishing on US constututional law and key campaigning issues.



Site News

October 21, 2019

USC September 2019 Update

 USC adds 2 new constitutional documents.

October 9, 2019

Democracy in Crisis?

Explore our curated collection of Max Planck Encyclopedia of Comparative Constitutional Law articles, book chapters, and journal articles.

September 6, 2019

New Documents

USC adds 3 new constitutional documents.

August 2, 2019

New Document Update

USC adds 1 constitutional document.