Official records produced by the armies of the United States and the Confederacy, and the executive branches of their respective governments, concerning the military operations of the Civil War, and prisoners of war or prisoners of state. Also annual reports of military departments, calls for troops, correspondence between national and state governments, correspondence between Union and Confederate officials. The final volume includes a synopsis, general index, special index for various military divisions, and background information on how these documents were collected and published. Accompanied by an atlas.