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Evansgal - CC BY-SA 3.0
Nicola Perscheid - Public Domain
ak_mardini - CC BY-SA 2.0
Ondřej Němec - CC BY-SA 4.0
Karl Bulla - Public Domain
William Maury Morris (wmm) - Public Domain
Mvkulkarni23 - CC BY-SA 3.0
original uploader - Public Domain
Unkown, photographed taken before 1917 (date of Laurence Waddell's retirement from the British Army). - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
David d’Angers - Public Domain
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Edwards, Edward Irving, 1863-1931
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Evansgal - CC BY-SA 3.0
Webb, Todd
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Zevon, Warren
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Nicola Perscheid - Public Domain
Roselius, Ludwig, 1874-1943
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Bouchaud, Émilie-Marie
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ak_mardini - CC BY-SA 2.0
Papert, Seymour.
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Kremer, Johann Paul, 1883-
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Ondřej Němec - CC BY-SA 4.0
Havlová, Olga, 1933-1996
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Gutiérrez Nájera, Manuel, 1859-1895
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Shaw, Martin, 1875-1958
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Henningsen, Poul, 1894-1967
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Karl Bulla - Public Domain
Rasputin, Grigoriĭ Efimovich, 1869-1916
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Pal, George
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Defregger, Franz von 1835-1921
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Herschler, Ed, 1918-1990
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William Maury Morris (wmm) - Public Domain
Lynch, William Francis, 1801-1865
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Gutfreund, Oto, 1889-1927
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Chiang, Ching-kuo, 1910-1988
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Visscher, Cornelis, 1629-1658
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Mvkulkarni23 - CC BY-SA 3.0
Majumdar, Ronu
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original uploader - Public Domain
Maclaurin, Richard C. (Richard Cockburn), 1870-1920
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Unkown, photographed taken before 1917 (date of Laurence Waddell's retirement from the British Army). - Public Domain
Waddell, L.A. (Laurence Austine), 1854-1938
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Deck, Théodore (1823-1891).
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Mathew Brady Levin Corot Handy - Public Domain
Curtis, C. B. (Carlton Brandaga), 1811-1883
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Le Plongeon, Alice D. (Alice Dixon), 1851-1910
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David d’Angers - Public Domain
Boissonade, Jean-François, 1774-1857
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Payne, Frederick G. (Frederick George), 1904-1978
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Bismarck, Herbert, Fürst von, 1849-1904
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Brown, Charles Brockden, 1771-1810
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Ward, Samuel Ringgold, 1817-