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

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

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.

Each day. the National Constitution Center provides blog entries regarding important Constitutional related events happening that day.

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

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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.

Learn about the framers’ vision for the newly created governing body and subsequent major developments through essays exploring the institutional powers and duties of the House of Representatives.

Learn about the text, history, and meaning of the U.S. Constitution from leading scholars of diverse legal and philosophical perspectives.

Serves as America’s leading platform for constitutional education and debate.

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

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.

The Constitution defines the fundamental law of the U.S. federal government, setting forth the three principal branches of the federal government and outlining their jurisdictions. It has become the landmark legal document of the Western world, and is the oldest written national constitution currently in effect.