Primary source and archival materials relating to American culture and history from the Library of Congress, as part of the National Digital Library. Research tools, educational resources, and related LOC collections provided.
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.
Designed for high school and college teachers and students, History Matters serves as a gateway to web resources and offers other useful materials for teaching U.S. history.
The Government and Geographic Information and Data Services Department at Northwestern University Library has a comprehensive collection of over 300 posters issued by U.S. Federal agencies from the onset of war through 1945.