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Mathew Brady Levin Corot Handy - Public Domain
Kupferstich von Gustav Zumpe, Sammlung Julius Wallach - Public Domain
J. Dörfler (1906 - 1907) Botaniker Porträts - Public Domain
unknown - CC BY-SA 4.0
unknown - Public Domain
J.S. Diller (Photographer) - Public Domain
Sverek - Public Domain
Knight Foundation - CC BY-SA 2.0
Wendywellesley3 - CC BY-SA 3.0
New Yorl Public Library -
Unknown War Photographer - Public Domain
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Mathew Brady Levin Corot Handy - Public Domain
Osborn, Thomas Ward, 1833-1898
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Trakl, Georg, 1887-1914
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Kupferstich von Gustav Zumpe, Sammlung Julius Wallach - Public Domain
Werner, Friedrich Ludwig Zacharias, 1768-1823
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Loder, Kate, 1825-1904
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Mathew Brady Levin Corot Handy - Public Domain
Steele, Walter Leak, 1823-1891
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Brion, Gustave, 1824-1877
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Granger, Francis, 1792-1868
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Dr. Dre, 1965-
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J. Dörfler (1906 - 1907) Botaniker Porträts - Public Domain
Fries, Theodor Magnus, 1832-1913
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Totnes, George Carew, earl of, 1555-1629
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unknown - CC BY-SA 4.0
Hayslip, Le Ly
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Miller, John, 1938 May 23-2017
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unknown - Public Domain
House, Son
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Talley, Marion, 1907-1983
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J.S. Diller (Photographer) - Public Domain
Kemp, James Furman, 1859-1926
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Ernst I, Duke of Saxe-Gotha, 1601-1675
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Gabriel y Galán, José María, 1870-1905
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Kelly, Edward, 1555-1595?
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Hilgard, J. E. (Julius Erasmus), 1825-1891
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Sverek - Public Domain
Retzius, A. (Anders), 1796-1860
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unknown - Public Domain
Hesilrige, Arthur, Sir, -1661
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Knight Foundation - CC BY-SA 2.0
Nasar, Sylvia.
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Wendywellesley3 - CC BY-SA 3.0
Bidart, Frank, 1939-....
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unknown - Public Domain
Sola, D. A. de (David Aaron), 1796-1860
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Galler, Bernard A., 1928-
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New Yorl Public Library -
Beadle, Erastus Flavel, 1821-1894
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Chlebowski, Stanisław, 1835-1884
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Struthers, Sally
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Unknown War Photographer - Public Domain
Adcock, Clarence L. (Clarence Lionel), 1895-1967
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Toledo, Francisco de 1515-1582