Carte de visite portrait of an unidentified woman in Amsterdam, the Netherlands, taken by German photographer Albert Greiner, c. 1863-1866.
Source: Rijksmuseum.
Portrait of a woman spinning wool somewhere in Algeria, c. 1870-1900. Published by French photography firm Neurdein Brothers.
Source: Library of Congress.
Portrait of an unidentified soldier by Welsh photographer Calvert Richard Jones, c. 1845-1850.
Source: Metropolitan Museum of Art.