Looking for more information about the US Constitution Preamble, Articles, or Amendments?
Here are some resources:
The Library of Congress Guide to Law Online: U.S. Federal Research Guide
Explore America's Founding Documents at the National Archives.
The National Consitution Center in Philadelphia provides an Interactive Constitution for each section: The preamble, seven articles, and 27 amendments. This includes the Constitution text, a common interpretation from two scholars, and interpretations of matters of debate.
The Constitution Annoted explains the Constitution of the United States through anaysis and interpretation.