Union Generals Andrew A. Humphreys, Henry W. Slocum, William B. Franklin, William F. Barry, and John Newton Posing With Other Unidentified Officers and an African American Child at Cumberland Landing, Virginia (1862)

Union generals (from left to right, all sitting in chairs) Andrew A. Humphreys, Henry W. Slocum, William B. Franklin, William F. Barry, and John Newton posing with other unidentified officers and an African American child at Cumberland Landing, Virginia, May 14, 1862. By James F. Gibson. Animated stereoscopic photographs.

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Union Generals George Meade, John Sedgwick, and Robert O. Tyler Posing With Staff Officers at a Headquarters in Brandy Station, Virginia (1864)

Union generals George Meade, John Sedgwick, and Robert O. Tyler posing with staff officers at a headquarters in Brandy Station, Virginia, February 1864. Animated stereoscopic photographs.

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Union Generals J.H. Hobart Ward and Gershom Mott Posing With Other Officers in Culpeper, Virginia (1863)

Union generals John Henry Hobart Ward and Gershom Mott and colonels William R. Brewster, John S. Austin, and John Egbert Farnum posing in front of a tent in a camp in Culpeper, Virginia, October 1863. By Timothy O'Sullivan. Animated stereoscopic photographs.

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Union General George Stoneman and General Henry Naglee Posing With Members of Their Staffs in Camp in Fair Oaks, Virginia (1862)

Union General George Stoneman (seated at far right) and General Henry Naglee (seated second from right) posing with members of their staffs in camp in Fair Oaks, Virginia, June 1862. By James F. Gibson. Animated stereoscopic photographs.

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