American Memory provides free and open access through the Internet to written and spoken words, sound recordings, still and moving images, prints, maps, and sheet music that document the American experience.
Search America's historic newspaper pages from 1836-1922 or use the U.S. Newspaper Directory to find information about American newspapers published between 1690-present.
Founded in 1994 by Richard Gilder and Lewis E. Lehrman, the Gilder Lehrman Institute of American History is a nonprofit organization devoted to the improvement of history education.
From the Gilder Lerhman Institute of American History, each introduction to the time period is followed by essays by leading scholars; primary sources with images, transcripts, and a historical introduction
A collection of historical materials from Harvard Universities’ libraries, archives, and museums that documents voluntary immigration to the United States from the signing of the Constitution to the onset of the Great Depression.
Owned by the Independence Hall Association in Philadelphia founded in 1942, this site give comprehensive overview of US history from pre-Columbian to the new millennium.