Brooklyn Daily Eagle (1841-1955)
Richmond Daily Dispatch (1860-1865)
Chronicling America, which includes Memphis Appeal (1857-1886); Chattanooga Rebel (1862-1865); New York Sun (1859-1916) and New York Daily Tribune (1842-1866)
Abraham Lincoln Papers at the Library of Congress
Abraham Lincoln: American Politician and Lawyer
American Civil War Archive: Letters Home from the Civil War
The Civil War Collection at Michigan State University
The Civil War Collection at Penn State
Civil War Diaries and Letters Collection
Civil War on the Missouri-Kansas Conflict, 1855-1865
Civil War Glass Negatives and Related Prints http://www.loc.gov/pictures/collection/cwp/
Civil War Maps http://loc.gov/collection/civil-war-maps/about-this-collection/
Pictures of the Civil War http://www.archives.gov/research/military/civil-war/photos/index.html