Primary Source Material
- Library of Congress Digital Collection
- Chronicling America - Search America's historic newspaper pages from 1789-1963 or use the U.S. Newspaper Directory to find information about American newspapers published between 1690-present. Chronicling America is sponsored jointly by the National Endowment for the Humanities and the Library of Congress.
- Life Photo Archive
- Smithsonian Digital Library
- Docs Teach from National Archives
- British National Archives