US National Archives
Nara: u.s. Electoral College: u.s. Electoral College
National Archives and Records Administration home page on the U.S. Electoral College. Contains details on historic voting patterns as well as technical details on procedures.
US Government Publishing Office
Ben's Guide to u.s. Government: Election of the President & Vice President: Electoral College
Provides information on the Electoral College and how we use this system to elect the President of the U.S. Features links to much more information on the election.