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Georges Biard - CC BY-SA 3.0
John Pettie (1839-1893) - Public Domain
user at project - CC BY-SA 3.0
photographer not credited. - Public Domain
unknown - Public Domain
Erik Schmidt -
Balkanregion - CC BY-SA 3.0
Natalia Dobryszycka - CC BY 2.0
Konrad Jacobs, Erlangen, Copyright is with MFO - CC BY-SA 2.0
Mathew Brady Levin Corot Handy - Public Domain
:fr:Studio Harcourt - CC BY 3.0
Harrywad - CC BY 2.5
Princevasuvadhnaayudhaya - Public Domain
Photo copyrighted by Moffett. - Public Domain
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Perugino, approximately 1450-1523
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Murray, Alexander William Charles Oliphant, Unspecified, Master of Elibank, Baron Murray of Elibank
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Fortier, Alcée, 1856-1914
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Medici, Giuliano de', duca di Nemours, 1479-1516
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Georges Biard - CC BY-SA 3.0
Cowl, Darry, 1925-
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John Pettie (1839-1893) - Public Domain
Harte, Bret, 1836-1902
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user at project - CC BY-SA 3.0
Eysenck, H.J. (Hans Jürgen), 1916-1997
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photographer not credited. - Public Domain
Funston, Frederick, 1865-1917
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Boardman, Lee, 1972-
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unknown - Public Domain
Spiridonova, Marii︠a︡ Aleksandrovna, 1884-1941
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unknown - Public Domain
Marshall, Humphrey, 1760-1841
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Davis, Guy, 1952-
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Erik Schmidt -
Schmidt, Erik, 1925-
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Balkanregion - CC BY-SA 3.0
Dimitrov-Maĭstora, Vladimir 1882-1960
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Natalia Dobryszycka - CC BY 2.0
Swallow, Steve
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Konrad Jacobs, Erlangen, Copyright is with MFO - CC BY-SA 2.0
Kac, Mark
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Mathew Brady Levin Corot Handy - Public Domain
Washburn, William B. (William Barrett), 1820-1887
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:fr:Studio Harcourt - CC BY 3.0
Baye, Nathalie, 1948-....
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Boardman, Elijah, 1760-1823
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Glennan, Thomas Keith, 1905-1995
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Robakʻiże, G. (Grigol), 1881-1962
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Mason, Shirley, 1900-1979
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Hanna, Richard T. (Richard Thomas), 1914-2001
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Harrywad - CC BY 2.5
Ross, Diana, 1944-
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Ribot, Th. (Théodule), 1839-1916
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Princevasuvadhnaayudhaya - Public Domain
Čhunlačhakkraphong, Prince, grandson of Chulalongkorn, King of Siam, 1907-1963
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Valentine, Steve, 1966-
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Morrison, George Ernest, 1862-1920
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Herbert, Zbigniew
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Photo copyrighted by Moffett. - Public Domain
Wickersham, George W. (George Woodward), 1858-1936