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unknown - Public Domain
Contemporary photograph - Public Domain
Described as "From an unfinished pencil sketch by Wentworth" - Public Domain
Marwoode - CC BY-SA 4.0
freddthompson - CC BY-SA 2.0
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http://en.wikipedia.org/wiki/Curps - Public Domain
Diario de Madrid - CC BY 4.0
Unknown (Bain News Service, publisher) - Public Domain
Farrue - Public Domain
Twentieth Century-Fox studio - Public Domain
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unknown - Public Domain
Cook, Frederick Albert, 1865-1940
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Maimonides, Moses, 1135-1204
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Contemporary photograph - Public Domain
Boyce, James Petigru, 1827-1888
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Described as "From an unfinished pencil sketch by Wentworth" - Public Domain
Brainard, John G. C. (John Gardiner Calkins), 1796-1828
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Marwoode - CC BY-SA 4.0
Van der Post, Laurens
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unknown - Public Domain
Sanquirico, Alessandro, 1777-1849
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Dangar, H. (Henry), 1796-1861
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Cavalcaselle, G. B. (Giovanni Battista), 1820-1897
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Riesz, Frigyes, 1880-1956
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Albright, William Foxwell, 1891-1971
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Munn, Orson Desaix, 1824-1907
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Levin, Ẓevi Hirsch ben Aryeh Loeb, 1721-1800
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freddthompson - CC BY-SA 2.0
Dunn, Winfield, 1927-
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Sachs von Lewenhaimb, Philipp Jakob, 1627-1672
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Gardoqui y Arriquibar, Diego, 1735-1798
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Robertson, J. Ross (John Ross), 1841-1918
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Mathews, Forrest David, 1935-....
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http://en.wikipedia.org/wiki/Curps - Public Domain
Sampson, William Thomas, 1840-1902
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Adrian, Edgar Douglas Adrian, Baron, 1889-1977
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Pratt, S. G. (Silas Gamaliel), 1846-1916
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Tucker, Albert, 1914-1999
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Diario de Madrid - CC BY 4.0
Bordes, Juan, 1948-
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Unknown (Bain News Service, publisher) - Public Domain
Phillips, Coles, 1880-1927
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Boyda, Nancy E., 1955-
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Farrue - Public Domain
Kelly, William, 1811-1888
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unknown - Public Domain
Morton, William J. (William James), 1846-1920
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Twentieth Century-Fox studio - Public Domain
Tandy, Jessica
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Schinkel, Karl Friedrich, 1781-1841
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Leland, Henry Martyn, 1843-1932
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Hasford, Gustav