Gilder Lehrman Institute of American History
Gilder Lehrman Institute: The Reconstruction Amendments
[Free Registration/Login Required] An article that discusses the 13-15th amendments and their impact on social history.
Scholastic
Scholastic: u.s. Constitution Changes With the Times
Clear, concise overview of the "voting" amendments to the Constitution. Includes quotes from 20th century Justices and Presidents about Amendments they thought were needed.