Photo of African American Union Soldiers of the 107th Regiment United States Colored Troops in Fort Woodbury, in Arlington, Virginia (1865)

 

Photo of black Union soldiers of Company E of the 107th Regiment United States Colored Troops posing with their muskets in front of a building in Fort Woodbury in Arlington, Virginia, November 1, 1865. Taken by photographer William Morris Smith for Alexander Gardner.

Source: New York Public Library.

More information from Military Images.

Photo of Two First Nations Peddler Women Posing With Beaded Wares For Sale in Montreal, Canada (1860's)

Photo probably showing two First Nations peddler women posing with various wares for sale in Montreal, Canada, c. 1860s. Originally published as a stereoview and taken by photographer William Notman.

Source: J. Paul Getty Museum.

Photo of People Posing on and Around an Observation Tower in the Abandoned Ruins of Fort Holmes on Mackinac Island, Michigan (1870's)

Photo of people, possibly tourists, posing on and around an observation tower in the abandoned ruins of Fort Holmes on Mackinac Island, Michigan, c. 1870s. The fort was occupied by British soldiers and presumably their Native American allies during the 1814 Battle of Mackinac Island, part of the War of 1812. Fort Holmes is the highest point on the island. Taken by photographer James Jenney and originally published as a stereoview.

Source: Library of Congress.