Sailors on deck of U.S.S. Monitor; cookstove at left

Seated: R. William Moore and Allan Pinkerton. Standing: George H. Bangs, John C. Babcock, and Augustus K. Littlefield

Deck and turret of U.S.S. Monitor seen from the bow (i.e. stern).

Antietam, Md. President Lincoln with Gen. George B. McClellan and group of officers

Antietam, MD - President Lincoln and Gen. George B. McClellan in the general's tent

Antietam, MD - Bodies of Confederate dead gathered for burial

Lt. George A. Custer with dog.

Antietam, MD - Allan Pinkerton, President Lincoln, and Maj. Gen. John A. McClernand

Antietam, MD - Allan Pinkerton, President Lincoln, and Maj. Gen. John A. McClernand (another view)

Maj. Gen Alexander M. McCook (center) and staff on porch of quarters, Brightwood (7th Street Road near present Sheridan St

Sailors relaxing on deck of U.S.S. Monitor

Antietam, MD - Allan Pinkerton ("E. J. Allen") of the Secret Service on horseback.

Petersburg, VA - Battery of Parrott guns manned by Company C, 1st Connecticut Heavy Artillery - Fort Brady

Gettysburg, PA - Bodies of Federal soldiers, killed on July 1, near the McPherson woods

Cold Harbor, Va. African Americans collecting bones of soldiers killed in the battle

Antietam, MD - Confederate dead by a fence on the Hagerstown road

Falmouth, VA - Capt. George A. Custer and Gen. Alfred Pleasonton on horseback

Cold Harbor, Va., vicinity. Unburied dead on the battlefield of Gaines' mill

Washington, DC (Defenses of) - Gen. Ambrose E. Burnside and staff

Washington, DC - Reading the death warrant to Wirz on the scaffold