Officers of U.S. Horse Artillery with the Army of the Potomac, Culpeper, Virginia. September 1863.

General Heintzelman and staff, Harrisons Landing, August 1862.

Brigadier General Horace Capron, 14th Ill. Cavalry.

General Robert E. Lee with sons Custis (left) and Walter H. Taylor (right).

General Robert E. Lee with sons Custis (left) and Walter H. Taylor (right).

General Grant at his headquarters, Cold Harbor, Virginia. June 1864.

General Alfred Pleasonton, Warrenton, Virginia. September 1863.

Capt. John S. Crawford from the 114th Pennsylvania Infantry, Petersburg, Virginia. August 1864.

General Alfred Pleasonton and staff at Warrenton, Virginia. October 1863.

Officers of 114th Pennsylvania Infantry, Petersburg, Virginia.

General Julius White and staff at near Washington, D.C. 1865.

General Julius White and staff near Washington, D.C. 1865. "2nd image"

Gideon Welles Secretary of the Navy during the U.S. Civil War.

Major General James B. Fry, officer of the Federal Army (Brig. Gen. from April 21, 1864)

Brigadier General Robert O. Tyler, officer of the Federal Army during the U.S. Civil War (Maj. Gen. …

Brigadier General Andrew A. Humphreys, officer of the Federal Army during the U.S. Civil War. (Maj. …

Brigadier General John M. Brannon, officer of the Federal Army during the U.S. Civil War (Maj. Gen. …

Brigadier General Samuel Kosciuzko Zook, officer of the Federal Army during the U.S. Civil War.

Rear Admiral David G. Farragut, officer of the Federal Navy during the U.S. Civil War. (Vice Adm. fr…

General Joseph G. Totten.

General Joseph G. Totten, general during the U.S. Civil War.

Major General Daniel E. Sickles, officer of the Federal Army during the U.S. Civil War.

General Judson Kilpatrick and staff in  Stevensburg, Virginia (vicinity Brandy Station, Va.). March…

Colonel J.G. Wilson, 4th U.S. Colored Cavalry.