"President Lincoln's Guard" Photo of Union Soldiers and Civilians Posing in Front of a Union Army Encampment in Washington DC (1861)

 

"President Lincoln's Guard." Photo of a large group of Union soldiers and civilians posing in front of a Union Army encampment probably near the White House in Washington, D.C., 1861. Attributed to Titian Ramsay Peale.

Source: National Museum of American History.