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nn - Public Domain
Howard-Severance Company - Public Domain
Ellis Reynolds Shipp - Public Domain
Major League Baseball - Public Domain
Jerré Tanner photographer - CC BY-SA 3.0
unknown - Public Domain
George Clausen - Public Domain
Yoichi Okamoto - CC0 1.0
:en:United States Senate - Public Domain
Jacob G. Ullery - Public Domain
Uncredited, restoration by Adam Cuerden - Public Domain
Illustrated London News - Public Domain
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Montagu, John Montagu, Duke of, 1690-1749
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Kashkashian, Kim
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nn - Public Domain
Ajdukiewicz, Kazimierz
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Rostovtzeff, Michael Ivanovitch, 1870-1952
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Howard-Severance Company - Public Domain
Faulkner, Georgene, 1873-
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Grosvenor, Thomas, Sir, 1655 or 1656-1700
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Calvé, Emma, 1858-1942
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Ellis Reynolds Shipp - Public Domain
Shipp, Ellis Reynolds, 1847-1939
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Major League Baseball - Public Domain
Kuhn, Bowie, 1926-2007
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Barth, Joseph
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Jerré Tanner photographer - CC BY-SA 3.0
Hess, Harvey
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Courbet, Gustave, 1819-1877
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Hunt, Richard Howland (American architect, 1862-1931)
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unknown - Public Domain
Wheeler, Benjamin Ide, 1854-1927
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unknown - Public Domain
Chevrolet, Louis, 1878-1941
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George Clausen - Public Domain
Clausen, George, 1852-1944
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Hindenburg, Paul von 1847-1934
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Schjerfbeck, Helene, 1862-1946
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Yoichi Okamoto - CC0 1.0
Jenkins, Walter (Walter Wilson), 1918-1985
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:en:United States Senate - Public Domain
Douglas, Paul, 1892-1976
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Melzack, Ronald
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Jacob G. Ullery - Public Domain
Barlow, Bradley, 1814-1889
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Jones, Jennifer, 1919-2009
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Lindsay, James M., 1959-....
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Jenkins, Roy, 1920-2003
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unknown - Public Domain
Hoby, Edward, Sir, 1560-1617
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Brdar, Jakov, 1949-
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unknown - Public Domain
Revel, Bernard, 1885-1940
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Uncredited, restoration by Adam Cuerden - Public Domain
Goremykin, Ivan Logginovič 1839-1917
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Illustrated London News - Public Domain
McLellan, C. M. S. (Charles Morton Stewart), 1865-1916