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Native truth - CC BY-SA 3.0
Hinnk - CC BY-SA 3.0
Public Domain
unknown - Public Domain
Frank Hall - Public Domain
Syrian - CC BY-SA 4.0
Brian - CC BY 2.0
National Photo Company Collection (Library of Congress) - Public Domain
Mathew Brady - Public Domain
RIA Novosti / РИА Новости -
Xz3024a - Public Domain
ian.mcrob - CC BY 2.0
National Library of Australia -
Amaillon - CC BY-SA 3.0
Unknown, but subject died in 1909 - Public Domain
Kyrichips - CC BY-SA 3.0
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Native truth - CC BY-SA 3.0
Tapahonso, Luci, 1953-....
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Marion, Jean-Luc, 1946-....
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Thurloe, John, 1616-1668
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Burmeister, Hermann, 1807-1892
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Bickersteth, Edward Henry, 1825-1906
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Hinnk - CC BY-SA 3.0
Christopher, Mark, 1961-
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Public Domain
Richardson, William A., 1795-1856
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Hozier, Pierre d'
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Twain, Mark, 1835-1910
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unknown - Public Domain
Bandini, Arcadia, 1825-1912
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Brennan, Peter J., 1918-1996
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Chapin, Harold, 1886-1915
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Frank Hall - Public Domain
Mobutu, Sese Seko, 1930-1997
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unknown - Public Domain
Terradellas, Domènec, 1711-1751
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Syrian - CC BY-SA 4.0
Mayer, Luigi
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Brian - CC BY 2.0
Welch, Gillian, 1967-
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unknown - Public Domain
Brunings, Christiaan, 1736-1805
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National Photo Company Collection (Library of Congress) - Public Domain
Adams, Harriet Chalmers, 1875-1937
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Mathew Brady - Public Domain
Bayley, James Roosevelt, 1814-1877
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Bowles, Vice-Admiral (William), 1780-1869
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RIA Novosti / РИА Новости -
Dzerzhinskiĭ, F. Ė. (Feliks Ėdmundovich), 1877-1926
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Xz3024a - Public Domain
Keller, Otto, 1838-1927
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ian.mcrob - CC BY 2.0
Krige, Alice, 1954-....
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Papini, Giovanni, 1881-1956
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National Library of Australia -
Barwick, Garfield, Sir, 1903-
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Amaillon - CC BY-SA 3.0
Blanc, Georges, 1943-....
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Owen, Orville Ward, 1854-1924
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Unknown, but subject died in 1909 - Public Domain
Matto de Turner, Clorinda, 1852-1909
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Kyrichips - CC BY-SA 3.0
Doxiadēs, Apostolos K., 1953-
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Hodierna, Giovanni Battista, 1597-1660