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United States Government - Public Domain
Harris & Ewing - Public Domain
Jean-Honoré Fragonard - Public Domain
Boston: Biographical Review Publishing Company. - Public Domain
unknown - Public Domain
Ml99 - CC BY-SA 3.0
Ulpiano Checa (1860-1916) - Public Domain
Marianne von Werefkin - Public Domain
Agence Rol - Public Domain
Christian Weger - CC BY-SA 2.0
John Singer Sargent - Public Domain
Michigan Art Company - Public Domain
Auguste Legrand - Public Domain
Ainali - CC BY 3.0
Fernand Desmoulins - Public Domain
Foto Vedo -
Tiffany family collection - Public Domain
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Proctor, Thea, 1879-1966
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United States Government - Public Domain
Heizer, Oscar S. (Oscar Stuart), 1868-1956
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Gregory X, Pope, -1276
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Harris & Ewing - Public Domain
Berryman, Clifford Kennedy, 1869-1949
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Jean-Honoré Fragonard - Public Domain
Brillon de Jouy, Anne Louise Boyvin d'Hardancourt, 1744-1824
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Boston: Biographical Review Publishing Company. - Public Domain
Mayham, Stephen Lorenzo, 1826-1908
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unknown - Public Domain
Vincent, Henry, 1813-1878
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Ml99 - CC BY-SA 3.0
Jurinac, Sena, 1921-2011
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Tilly, Jean T'Serclaes, comte de, 1559-1632
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Ulpiano Checa (1860-1916) - Public Domain
Pla, Cecilio, 1859-1934
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Marianne von Werefkin - Public Domain
Werefkin, Marianne, 1860-1938
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Agence Rol - Public Domain
Sayre, Jessie Woodrow Wilson, 1887-1933
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Langdale, Henry Bickersteth, Baron, 1783-1851
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Trundy, Natalie 1940-....
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Reyes, Rafael, 1851-1921
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unknown - Public Domain
Ambedkar, B. R. (Bhimrao Ramji), 1891-1956
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Christian Weger - CC BY-SA 2.0
Madonna, 1958-
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John Singer Sargent - Public Domain
De Glehn, Jane Erin Emmet, 1873-1961.
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Gilbey, Walter, Sir, 1831-1914
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Katayama, Sen, 1859-1933
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Davis, Joseph Barnard, 1801-1881
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unknown - Public Domain
Wise, F. J. S. (Frank Joseph Scott), 1897-1986
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Michigan Art Company - Public Domain
Loud, George A. (George Alvin), 1852-1925
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Auguste Legrand - Public Domain
Forneret, Xavier, 1809-1884
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Ainali - CC BY 3.0
Faludi, Susan
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Fernand Desmoulins - Public Domain
Xanrof, Léon, 1867-1953
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Foto Vedo -
De Sabata, Victor, 1892-1967
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Dupont, Alexis
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Bartisch, George, 1535-approximately 1607
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Tiffany family collection - Public Domain
Burlingham, Dorothy T.