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PhillipC - CC BY 2.0
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George Dawe -
Bain News Service, publisher. - Public Domain
Beesknees999 - CC BY-SA 3.0
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unknown - Public Domain
GFHund - CC BY 3.0
https://www.flickr.com/photos/urbanmixer/ - CC BY-SA 2.0
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PhillipC - CC BY 2.0
Whyte, William Foote, 1914-2000
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Quaid, Randy, 1953-
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Muḥammad ʿAbduh 1849-1905
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George Dawe -
Alava, Miguel De
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Hinds, Samuel, 1793-1872
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Díaz, José, 1896-1942
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Jopling, Louise, 1843-1933
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Crandall, Prudence, 1803-1890
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Laning, Jay Ford, 1853-1941
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Puckering, John, 1543 or 1544-1596
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Bain News Service, publisher. - Public Domain
Nethersole, Olga, 1870-1951
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Forsslund, Louise, 1876-1910
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Beesknees999 - CC BY-SA 3.0
Shan, Sa, 1972-
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Dow, Neal, 1804-1897
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Meskill, Thomas J., 1928-2007
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U.S. Navy -
Russell, James S. (James Sargent), 1903-1996
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Hentz, Caroline Lee, 1800-1856
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unknown - Public Domain
Pitt-Rivers, Augustus Henry Lane-Fox, 1827-1900
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Le Chapelier, Isaac-René-Guy, 1754-1794
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Weigl, Karl
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Poehler, Mr. (Henry), 1833-1912
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Masson, Antoine, 1636-1700
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Green, Joseph Henry, 1791-1863
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GFHund - CC BY 3.0
Herzberg, Gerhard, 1904-1999
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Ward, Adolphus William, Sir, 1837-1924
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https://www.flickr.com/photos/urbanmixer/ - CC BY-SA 2.0
Parker, Molly, 1972-
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Benezet, Anthony, 1713-1784
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Bourbon, Louis Jean-Marie de, duc de Penthièvre, 1725-1793
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Vitali, Tomaso Antonio, 1663-1745
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Porter, Theodore M., 1953-....