History 

American Memory - provides free access to written and spoken words, sound recordings, images, prints, maps, and sheet music that document the American history.

Digital History - includes a textbook, annotated documents, primary sources on slavery, Mexican American, Asian American and Native American history.

Historic Documents - contains a chronology of U.S. History documents

The History Place - includes documents about the American Revolution, Civil War, World Wars I & II, Vietnam, the Presidents of the U.S., etc.

Shmoop History Resources - historical topics explained using student friendly explanations.