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unknown - Public Domain
Georges Biard - CC BY-SA 3.0
KitMarlowe3 - Public Domain
original uploader - Public Domain
original uploader - CC BY 3.0
H.Adlard - Public Domain
Anonymous -
Samuel van Hoogstraten - Public Domain
Saiflee100 - CC BY-SA 4.0
Ahmad Shahin - Public Domain
Public Domain
Artist uncredited - Public Domain
New York World-Telegram and the Sun Newspaper staff photographer - Public Domain
Wmstribling - CC BY-SA 3.0
White House - Public Domain
E. A. Bushnell -
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Gasque, Allard Henry, 1873-1938
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unknown - Public Domain
Bischoff, Franz Arthur, 1864-1929
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Hancock, John
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Georges Biard - CC BY-SA 3.0
Close, Glenn, 1947-....
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KitMarlowe3 - Public Domain
Huson, Paul
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original uploader - Public Domain
Cravath, Paul D. (Paul Drennan), 1861-1940
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Settle, Thomas, 1865-1919
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Tolan, Michael, 1925-2011
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original uploader - CC BY 3.0
Manos, Constantine
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Ashmead-Bartlett, Ellis, 1881-1931
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Macallum, A. B. (Archibald Byron), 1859-1934
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H.Adlard - Public Domain
Nobbs, George Hunn, 1799-1884
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Anonymous -
Lipski, Józef, 1894-1958
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Assereto, Gioacchino, 1600-1650
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Stair, John Dalrymple, Earl of, 1673-1747
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Samuel van Hoogstraten - Public Domain
Hoogstraten, Samuel van 1627-1678
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Sokoloff, Vladimir, 1889-1962
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Saiflee100 - CC BY-SA 4.0
Brinker, Norman, 1931-2009
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Green, Wharton J. (Wharton Jackson), 1831-1910
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Ahmad Shahin - Public Domain
El-Baz, Farouk, 1938-
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Public Domain
Dixon, Malcolm, 1899-1985
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Artist uncredited - Public Domain
Kingston, William Henry Giles, 1814-1880
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New York World-Telegram and the Sun Newspaper staff photographer - Public Domain
Hill, Napoleon, 1883-1970
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Stopford, Robert, Sir, 1768-1847.
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Huxley, Thomas Henry, 1825-1895
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Barbedienne, F. (Ferdinand), 1810-1892
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unknown - Public Domain
Ruge, Arnold, 1802-1880
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Wmstribling - CC BY-SA 3.0
Stribling, Robert M. (Robert Mackey), 1833-1914
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White House - Public Domain
White, Margita Eklund, 1937-2002
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E. A. Bushnell -
Hopkins, William Rowland, 1869-1961