See the original text of the Constitution and its amendments. Read about the ratification process. Explore the Q & A section to learn interesting facts, such as which cities have been the United States capitol.

Explains the Constitution, article by article. Also see blogs about current issues.

This site presents the original text of the Constitution alongside concise explanations of it in contemporary prose.

Vast and entertaining site about the Constitution's development, framers, and structure. With quizzes, quizzes, quizzes!

Listen to oral arguments made before the Supreme Court, read the stories behind the cases, learn about the justices, and link to Supreme Court opinions. Comprehensive and easy to use.

This site traces the ideas that shaped the United States Constitution. Read texts that influenced the founders’ political thought as well as the founders’ own writings. Comprehensive and scholarly.

See English and early American documents that lead to the United States Constitution.