American History Research Guide (Old)

American Historical Association
www.historians.org

Avalon Project at Yale Law School - Primary Documents in Law, History and Diplomacy
http://avalon.law.yale.edu/ 

Library of Congress
www.loc.gov

Chronicling America: Historic American Newspapers (beta 1900-1910)
http://www.loc.gov/chroniclingamerica/

Schomburg Center for Research in Black Culture
(New York Public Library)
www.nypl.org/research/sc