Primary Source Documents for Social Studies
Brigham Young University: EuroDocs, Online Sources for European History
California State University, San Marcos: Primary Documents Online (links to many collections)
FDR Library's Digital Collections
Fordham University: Internet History Sourcebooks Project
Gilder Lehrman Institute of American History
Library of Congress: American Memory
Library of Congress: More American Memory
Library of Congress: Primary Documents in American History
Library of Congress: Primary Source Sets
National Archives: America's Historical Documents
National Archives of Australia
University of South Florida: A Teacher's Guide to the Holocaust - Documents
University of Oklahoma, College of Law: A Chronology of US Historical Documents
University of Washington Libraries: Asia (primary and secondary sources)
Yale: The Avalon Project, Documents in Law, History, and Diplomacy