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:de:Auguste Hüssener - Public Domain
Georges Biard - CC BY-SA 3.0
U.S. Army - Public Domain
Rodrigo Lopes de Barros - CC BY-SA 4.0
George Grantham Bain Collection (Library of Congress) - Public Domain
''The Bellman'' - Public Domain
Matthew Brady - Public Domain
Eye Steel Film - CC BY 2.0
not stated - Public Domain
Public Domain
Overton, Grant M. (Grant Martin), 1887-1930 -
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Lindley, Charles
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Aronsohn, Lee
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:de:Auguste Hüssener - Public Domain
Cheri, Rose
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Cuvier, Georges, baron, 1769-1832
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Terrell, Alexander Watkins, 1827-1912
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Quigley, James M., 1918-
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Georges Biard - CC BY-SA 3.0
Migenes-Johnson, Julia
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Gardiner, Reginald, 1903-1980
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U.S. Army - Public Domain
Finucane, Charles C., 1905-1983
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Anderson, Carl D. (Carl David), 1905-1991
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Rodrigo Lopes de Barros - CC BY-SA 4.0
Alejandro, Ramón
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Bennion, Samuel O. (Samuel Otis), 1874-1945
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Salvadori, Tommaso, 1835-
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George Grantham Bain Collection (Library of Congress) - Public Domain
Kurt, Melanie, 1880-1941
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Bradley, Will, 1868-1962
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Lewis, John, 1675-1747
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Walker, J. H. (Joseph Henry), 1829-1907
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''The Bellman'' - Public Domain
Copeau, Jacques, 1879-1949
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Matthew Brady - Public Domain
Loughridge, William, 1827-1889
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Ocampo, José António
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Eye Steel Film - CC BY 2.0
Pullman, Bill
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Adair, E. Ross (Edwin Ross), 1907-1983
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Dewing, Thomas Wilmer, 1851-1938
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Vernet, Joseph, 1714-1789
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Tully, Alice, 1902-1993
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not stated - Public Domain
Fraser, Hugh, Mrs., 1851-1922
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Haygarth, John, 1740-1827
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Parmigianino, 1503-1540
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Public Domain
Smith, William, 1762-1840
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Overton, Grant M. (Grant Martin), 1887-1930 -
Appleton, William Worthen, 1845-1924