Biography & History
Biography
Grolier Encyclopedia Online
Britannica Reference Center
Biography.com
Who2: Biographies
Encyclopedia.com
American Writers
History
Grolier Encyclopedia Online
Britannica Reference Center
History.com
BBC: History
Shmoop: US History
Best History Sites
History by Country
America’s Story: from the Library of Congress
Primary Sources
Letters & Personal Histories
In the First Person
Letters from America’s Wars
American Historical Documents
National Archives: America’s Historical Documents
A Chronology of US Historical Documents
100 Milestone Documents in American History
Library of Congress: Primary Documents in American History
Images
Library of Congress: American Memory Project
National Archives: Digital Vaults
New York Public Library: Digital Gallery
Current & Historical Maps
Library of Congress: Current & Historical Maps
University of Texas: Current & Historical Maps
Map of Historical Census Data