The Confederacy : a guide to the archives of the Government of the Confederate States of America /

by Beers, Henry Putney, 1907-1996
Washington, DC : National Archives and Records Administration, 1986

The Union : a guide to federal archives relating to the Civil War /

by Munden, Kenneth W. (Kenneth White)
Washington, DC : Published for the National Archives and Records Administration by the National Archives Trust Fund Board, 1986