Accessible Archives contains digitized primary sources for studying U.S. history.
From the publisher: Ebook Central provides authoritative, full-text e-books in a wide range of subject areas along with powerful tools to find, use, and manage the information.
JSTOR provides access to a vast archive of scholarly work in all disciplines.
Provides access to an archive of five American newspapers: The Baltimore Sun, The Chicago Defender, The Chicago Tribune, The Los Angeles TImes, and The New York TImes.
Includes Defining Documents, The Decades in America, Milestone Documents in American History, Opinions Throughout History, Encyclopedia of Environmental Issues, and more.