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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: Changes in ConSource Leadership

Tue, 03 Mar 2020

From Our Executive Director:

Dear ConSource Community,

I am writing to share with you that effective Friday, March 6, 2020, I will be stepping down as Executive Director of ConSource to take on a new role as Senior Director of Growth Initiatives at iCivics. I’m excited to make this career transition and go “all in” on civic education. I believe we have a unique opportunity at this moment in our nation’s history to truly transform civic education at every level and look forward to being a part of an organization at the center of this growing national movement ...

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