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Welcome to ConSource

The Constitutional Sources Project (ConSource) connects hundreds of thousands of American citizens of all ages annually to our nation's constitutional history by creating a comprehensive, easily searchable, fully-indexed, and freely accessible digital library of historical sources related to the creation, ratification, and amendment of the United States Constitution. Our team not only curates important digital collections of historical materials, but also creates free research reports and educational resources — including downloadable lesson plans — to meet the specific needs of scholars and authors, legal practitioners and government officials, educators and students, journalists and the general public.

Documents »

Start your research or browsing with first-hand records and correspondence.

Constitutional Index »

View summaries and resources by section, amendment, clause, and theme.

Videos »

Listen to experts and public officials recorded live at ConSource events.

Lesson Plans »

Browse ConSource-created lesson plans and student resources.

From the Blog: A New Home for ConSource at Pembroke College, University of Oxford

Mon, 19 Oct 2020

We are excited to announce that as of October 11, 2020, ConSource will merge with the Quill Project, a research center based at Pembroke College, Oxford. This merger is the culmination of many years of collaboration between the teams at ConSource and Quill. This transatlantic merger will build on ConSource’s 15 years as a leader in the field of US constitutional history and civic education to bring its digital archive, constitutional index, and portfolio of civic education resources to the next level. Dr. Nicholas Cole, a preeminent scholar of US legal history and constitutional thought at Pembroke College, Oxford ...

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