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unknown - Public Domain
United States Army - Public Domain
Gobierno de Guatemala, fotógrafo sin identificar del gobierno. Ministerio de la Defensa - Public Domain
Public Domain
Kay Robertson - Public Domain
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John Thaxter - CC BY-SA 3.0
:fr:Étienne Carjat - Public Domain
Harris-Ewing - Public Domain
André Thévet ? - Public Domain
Greg Hernandez at https://www.flickr.com/photos/greginhollywood/ - CC BY 2.0
Ellis Jones - CC BY 2.0
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Wimar, Carl, 1828-1862
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unknown - Public Domain
Guido, Tomás, 1788-1866
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Wiggin, Kate Douglas Smith, 1856-1923
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Codrescu, Andrei, 1946-....
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Helland-Hansen, Bjørn, 1877-1957
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United States Army - Public Domain
Kepner, William E., 1893-1982
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Gobierno de Guatemala, fotógrafo sin identificar del gobierno. Ministerio de la Defensa - Public Domain
Arévalo, Juan José, 1904-1990
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Lacordaire, Henri-Dominique, 1802-1861
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Public Domain
Locke, Joseph, 1805-1860
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Traetta, Tommaso, 1727-1779
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Kay Robertson - Public Domain
Cokayne, George E. (George Edward), 1825-1911
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Chao, Elaine L. (Elaine Lan), 1953-
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John Thaxter - CC BY-SA 3.0
Morahan, Christopher
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:fr:Étienne Carjat - Public Domain
Cham, 1819-1879
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Theodosius II, Emperor of Rome, 401-450
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Ricketts, Howard Taylor, 1871-1910
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Maier, Reinhold, 1889-1971
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Calkins, William H. (William Henry), 1842-1894
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unknown - Public Domain
Upfield, Arthur William, 1888-1964
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Harris-Ewing - Public Domain
Calderón Guardia, Rafael Angel 1900-1970
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Bodenstedt, Friedrich, 1819-1892
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André Thévet ? - Public Domain
Ailly, Pierre d', 1351-1420
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Dyer, Mary, -1660
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Greg Hernandez at https://www.flickr.com/photos/greginhollywood/ - CC BY 2.0
Rose Marie, 1923-
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Ellis Jones - CC BY 2.0
Jones, Ellis, 1943-
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Hammond, Henry, 1605-1660
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Barry, Keith
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Frederick I, King of Bohemia, 1596-1632
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Rivière, Jules Arnous de, 1830-1905
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Lebedʹ, Aleksandr