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BrooklynMuseum -
Ahodges7 - Public Domain
unknown - Public Domain
Jean de Tournes - Public Domain
Konstantin Kapıdağlı - Public Domain
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Adolphe Lalauze (1838-1906) - CC BY-SA 3.0
No photographer credited in original source. - Public Domain
Jfblanc -
William Roos - Public Domain
Allan warren - CC BY-SA 3.0
Green Left -
Mathew Brady Levin Corot Handy - Public Domain
Gage Skidmore - CC BY-SA 3.0
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BrooklynMuseum -
Howe, Florence
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Ahodges7 - Public Domain
Beebe, William Sully, 1841-1898
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unknown - Public Domain
Herreid, Charles N. (Charles Nelson), 1857-1928
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Smythies, Charles Alan, 1844-1894
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Jordan, Hamilton
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Sharp, U. S. Grant (Ulysses S. Grant), 1906-
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Jean de Tournes - Public Domain
Columella, Lucius Junius Moderatus
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Konstantin Kapıdağlı - Public Domain
Selim III, Sultan of the Turks, 1761-1808
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Lassen, Christian, 1800-1876
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Original uploaded by Stargazer1122 -
Harwood, E. C. (Edward Crosby), 1900-....
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Adolphe Lalauze (1838-1906) - CC BY-SA 3.0
Vicaire, Gabriel, 1848-1900
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No photographer credited in original source. - Public Domain
Ivogün, Maria, 1891-1987
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Lennox, James Stuart, Duke of, 1612-1655
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Tarascon, Paul 1882-1977
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Haldane, Elizabeth Sanderson, 1862-1937
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Marolles, Michel de 1600-1681
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Jfblanc -
Gras, Félix, 1845-1901
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William Roos - Public Domain
Talhaiarn, 1810-1869
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Evans, Walter, 1842-1923
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Puget, Loïsa, 1810-1889
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Roach, William N. (William Nathaniel), 1840-1902
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Allan warren - CC BY-SA 3.0
Cartland, Barbara, 1902-2000
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unknown - Public Domain
Thayer, Ernest Lawrence, 1863-1940
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Scaria, Emil 1838-1886
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Green Left -
Zellner, Bob, 1939-
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Jenkins, C. Francis (Charles Francis), 1867-1934
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Mathew Brady Levin Corot Handy - Public Domain
Gallaudet, Thomas, 1822-1902
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Vanderpoel, Aaron, 1799-1870
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Gage Skidmore - CC BY-SA 3.0
Campbell, Bruce, 1958-....
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Hall, Thurston, 1882-1958