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unknown - Public Domain
Bain - Public Domain
Susanne Lareau Maxwell - CC BY-SA 3.0
original uploader - Public Domain
Photographer: Dante Tranquille - Public Domain
Leopoldis - Public Domain
NBC Television - Public Domain
Charles Scolik - Public Domain
SaltyBoatr - CC BY-SA 3.0
Original uploader was --Goku -
Smileysavvsss - CC BY-SA 4.0
Painted by Robert Smirke, engraved by James Neagle. - Public Domain
unknown -
Photographer unknown; 1896 - Public Domain
Saturation - CC BY-SA 3.0
Cullen328 - CC BY-SA 3.0
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Heydt, Eduard von der, 1882-
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Emerson, P. H. (Peter Henry), 1856-1936
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unknown - Public Domain
Harris, T. M. (Thomas Mealey), 1817-1906
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Bain - Public Domain
Wolf, Simon, 1836-1923
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Susanne Lareau Maxwell - CC BY-SA 3.0
Pomerantz, Gary M.
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Phyfe, Duncan, 1768-1854
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original uploader - Public Domain
Traeger, Albert, 1830-1912
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Lawes, W. G. (William George), 1839-1907
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Tillman, Benjamin R. (Benjamin Ryan), 1847-1918
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Photographer: Dante Tranquille - Public Domain
Povich, Shirley, 1905-1998
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original uploader - Public Domain
Townsend, Amos, 1821-1895
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Leopoldis - Public Domain
Presas, Leopoldo, 1915-2009
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NBC Television - Public Domain
Blue, Ben, 1901-1975
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Ceruti, Giacomo, 1698-1767
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Elliott, Maxine, 1868-1940
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Herty, Charles H. (Charles Holmes), 1867-1938
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Beery, Noah, 1882-1946
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Charles Scolik - Public Domain
Altenberg, Peter, 1859-1919
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SaltyBoatr - CC BY-SA 3.0
Holm, Bill, 1925-
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Mitchell, Howard
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Becquerel, Henri, 1852-1908
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Original uploader was --Goku -
Carteret, Philip, -1796
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Smileysavvsss - CC BY-SA 4.0
Gee, Maggie, 1923-2013
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Painted by Robert Smirke, engraved by James Neagle. - Public Domain
Percy, Henry, Lord, 1364-1403
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unknown -
Skyrms, Brian
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Photographer unknown; 1896 - Public Domain
Yandell, Enid
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Parker, Trey, 1969-....
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Cogswell, William, 1838-1895
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Saturation - CC BY-SA 3.0
Andy, Horace
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Cullen328 - CC BY-SA 3.0
Peirce, Waldo, 1884-1970