Union Soldiers at Bayonet Drill in a Camp During the American Civil War (1860's)

Union soldiers at bayonet drill in a camp during the American Civil War, c. 1861-1865. Attributed to Mathew Brady.

Source: National Archives and Records Administration.

Portrait of the Prince of Wales Taken in Mathew Brady’s Studio on Broadway in New York City (1860)

Portrait of the Prince of Wales (the future King Edward VII) taken in Mathew Brady’s studio on Broadway in New York City, October 13, 1860. Attributed to Mathew Brady.

Source: National Archives and Records Administration.

Portrait of a Girl Identified as Miss Bateman (1860′s)

Portrait of a girl identified as Miss Bateman, c. 1860′s. Attributed to Mathew Brady.

Source: National Archives and Records Administration.

View of Construction of the Echo Bridge Over the Charles River Near Needham, Massachusetts (1876)

View of construction of the Echo Bridge over the Charles River near Needham, Massachusetts, August 17, 1876.

Source: New York Public Library.

Portrait of Librarians in the War Department Library of the Old Executive Office Building in Washington DC (1880′s)

Portrait of librarians in the War Department Library of the Old Executive Office Building in Washington, D.C., c. 1880′s. Attributed to Mathew Brady.

Source: National Archives and Records Administration.
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Carte De Visite Portrait of Pope Pius IX (1860′s/1870′s)

Carte de visite portrait of Pope Pius IX, c. 1860′s/1870′s. By Paul Emile Pesme.

Source: Rijksmuseum.

View of an Excavated Burial Ground of Christianized Native Americans From The 1500's/1600's in St. Augustine, Florida (1936/1937)

View of an excavated burial ground of Christianized Native Americans from the 1500's/1600's in St. Augustine, Florida. Photographed inside protective structure in 1936/1937. By Frances Benjamin Johnston.

Source: Library of Congress.

Union Soldiers and Civilians Posing on the US Sanitary Commission Hospital Steamer Named Red Rover During the American Civil War (1860′s)

Union soldiers and civilians posing on the US Sanitary Commission hospital steamer named Red Rover during the American Civil War, c. 1860′s.

Source: New York Public Library.

Stereoview Portrait of the Barranson Sisters Possibly Taken in Paris, France (1800′s)

Stereoview portrait of the Barranson sisters possibly taken in Paris, France, c. 1800′s. Taken and/or published by person working under the name EH.

Source: Rijksmuseum.

Stereoview Scene of a Group Looking at a Miniature Theater Stage (1850's)

Stereoview scene of a group looking at a miniature theater stage, c. 1855-1860.

Source: The J. Paul Getty Museum.