Wagons of the Sanitary Commission and large crowd at the landing, Belle Plain, Virginia.

Offices of U.S. Sanitary Commission at Gettysburg, Pennsylvania. July 1863.

Surgeons of 10th Army Corps at Petersburg, Virginia. March 1865.

Field relief wagons and workers of U.S. Sanitary Commission at Washington, D.C. April 1865.

Central Office of Sanitary Commission, Washington, D.C. April 1865.

Wagons of the Sanitary Commission and a crowd at landing, Belle Plain, Virginia. 1864.

Confederate wounded at Smith's Barn, with Dr. Anson Hurd from the14th Indiana Volunteers in attendan…