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Maud Cuney-Hare, 1874-1936 - Public Domain
unknown - Public Domain
Smithsonian American Art Museum. - Public Domain
Mikko Aarnio, mikko.aarnio@iki.fi - CC BY-SA 3.0
E. de Fradel - Public Domain
Paroxysm - Public Domain
Brady-Handy Photograph Collection (Library of Congress) - Public Domain
Cristofano dell'Altissimo - Public Domain
Unknown - Public Domain
ajay_suresh - CC BY 2.0
Georges Biard - CC BY-SA 3.0
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Woolsey, Sarah Chauncey, 1835-1905
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Maud Cuney-Hare, 1874-1936 - Public Domain
Mitchell, Abbie, 1884-1960
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unknown - Public Domain
Brown, Thomas, 1785-1867
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Adam, Albrecht, 1786-1862
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Smithsonian American Art Museum. - Public Domain
Hancock, Walker Kirtland, 1901-1998
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Margulis, Lynn, 1938-2011
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Mikko Aarnio, mikko.aarnio@iki.fi - CC BY-SA 3.0
Haldeman, Joe W.
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Cossmann, M. (Maurice), 1850-1924
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Spence, Floyd D., 1928-2001
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Brønsted, J. N. (Johannes Nicolaus), 1879-1947
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E. de Fradel - Public Domain
Johannot, Alfred, 1800-1837
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Paroxysm - Public Domain
Fick, A. Eugen (Adolf Eugen), 1852-
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Dunn, Joséphine 1906-1983
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Brady-Handy Photograph Collection (Library of Congress) - Public Domain
Allen, William, 1803-1879
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Rose, Guy, 1867-1925
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Cristofano dell'Altissimo - Public Domain
Pico della Mirandola, Giovanni, 1463-1494
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unknown - Public Domain
Conte, Silvio O.
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McMillan, James, 1838-1902
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Lonicer, Adam, 1528-1586
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Dai, Ailian 1916-2006
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Unknown - Public Domain
Jakubowska, Wanda, 1907-1998
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ajay_suresh - CC BY 2.0
Willard D. Straight House (New York, N.Y.)
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Stobaeus, Johann, 1580-1646
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Thrale, Henry, 1728-1781
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Fracci, Carla
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Georges Biard - CC BY-SA 3.0
Stone, Sharon, 1958-....
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Barton, William, 1748-1831
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Dixon, Dean, 1915-1976
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Woodman, Charles Walhart, 1844-1898
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Barton, William P.C. (William Paul Crillon), 1786-1856