- Letter of the secretary of war
- Letter of the Secretary of war, transmitting report on the organization of the Army of the Potomac, and of its campaigns in Virginia and Maryland
- West Point Battle Monument: History of the Project to the Dedication of the Site, June 15th, 1864
- Letter of the Secretary of War, Transmitting Report of the Organization of the Army of the Potomac, and of Its Campaigns in Virginia and Maryland, Under the Command of Maj. Gen. George B. McClellan, F
- The Army of the Potomac