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JVC3ETA - CC BY-SA 3.0
unknown - Public Domain
Al Aumuller, World Telegram staff photographer - Public Domain
George Du Maurier - Public Domain
Sgerbic - CC BY-SA 3.0
Thomas Sully (1783-1872). - Public Domain
Philip Henry Delamotte (England: 1820 - 1889) - Public Domain
Thierry Caro - CC BY-SA 3.0
Mathew Brady - Public Domain
Jburlinson - CC BY-SA 3.0
Polygoon Hollands Nieuws - CC BY-SA 3.0
Onehandclapping - CC BY-SA 3.0
CC BY-SA 3.0
U.S. Navy - Public Domain
Howard Lake - CC BY-SA 2.0
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JVC3ETA - CC BY-SA 3.0
Valle, José Cecílio del, 1777-1834
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unknown - Public Domain
Terrot, Charles Hughes, 1790-1872.
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Al Aumuller, World Telegram staff photographer - Public Domain
Tamiris, Helen, 1905-1966
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George Du Maurier - Public Domain
Millet, Francis Davis, 1846-1912
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unknown - Public Domain
Fairchild, Lucius, 1831-1896
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Bard, Ralph A. (Ralph Austin), 1884-1975
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Bergman, Torbern, 1735-1784
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Sgerbic - CC BY-SA 3.0
Alcock, James E.
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Thomas Sully (1783-1872). - Public Domain
Randolph, Peyton, approximately 1778-1828
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Barry, Keith
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Philip Henry Delamotte (England: 1820 - 1889) - Public Domain
Rassam, Hormuzd, 1826-1910
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unknown - Public Domain
Guion, David W. (David Wendell), 1892-1981
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Cocker, Edward, 1631-1675
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Brooke, Van Dyke, -1921
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unknown - Public Domain
Ritchie, Thomas, 1778-1854
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Thierry Caro - CC BY-SA 3.0
Marshall, Tonie, 1951-....
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Mathew Brady - Public Domain
Kelley, Benjamin F., 1807-1891
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Gale, Henry Gordon, 1874-1942
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Jburlinson - CC BY-SA 3.0
Macaulay, Rose, 1881-1958
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Amorales, Carlos, 1970-....
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Polygoon Hollands Nieuws - CC BY-SA 3.0
Zadkine, Ossip
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Shehan, Lawrence, Cardinal, 1898-
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Onehandclapping - CC BY-SA 3.0
Mac Low, Jackson
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unknown - Public Domain
Droysen, Johann Gustav, 1808-1884
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CC BY-SA 3.0
Smith, Michael W. (Michael Whitaker), 1957-
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U.S. Navy - Public Domain
Hunsaker, Jerome Clarke, 1886-1984
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Howard Lake - CC BY-SA 2.0
Chalke, Steve
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unknown - Public Domain
Helms, Hermann, 1870-1963
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unknown - Public Domain
Cunningham, W. (William), 1849-1919
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Lavoisier, Antoine-Laurent, 1743-1794