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David Dobkin [http://www.cs.princeton.edu/~dpd] - CC BY-SA 3.0
Warner Bros - Public Domain
Charles F. Milliken, author. Lewis Historical Publishing Co. (New York, NY), publisher. - Public Domain
Thomas de Keyser -
Daniel Shen - CC BY-SA 2.0
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Théobald Chartran - Public Domain
Nemoi - CC BY 3.0
Harry T. Edwards - Public Domain
Photographie de presse de l'agence Meurisse - Public Domain
Edward Bierstadt - Public Domain
Al2ffresco2008 - CC BY-SA 3.0
Cbl62 - CC BY 3.0
Apeda Studio, New York - Public Domain
Frederick Yeates Hurlstone - Public Domain
Brianmcmillen - CC BY-SA 3.0
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Cloquet, Jules, 1790-1883
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David Dobkin [http://www.cs.princeton.edu/~dpd] - CC BY-SA 3.0
Kao, Charles K., 1933-
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St. John, Florence, 1855-1912
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Henri II, Duke of Lorraine, 1563-1624
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Warner Bros - Public Domain
Parker, Eleanor, 1922-2013
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Alanus, de Insulis, -1202
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Charles F. Milliken, author. Lewis Historical Publishing Co. (New York, NY), publisher. - Public Domain
Sibley, Mark H. (Mark Hopkins), 1796-1852
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Thomas de Keyser -
Blaeu, Willem Janszoon, 1571-1638,
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Daniel Shen - CC BY-SA 2.0
Hicks, John, 1941-2006
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Bentley, John Francis, 1839-1902
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Hudson, John Elbridge, 1839-1900
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Ken, Thomas, 1637-1711
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Leigh, James Mathews, 1808-1860
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Théobald Chartran - Public Domain
Hyde, James H. (James Hazen), 1876-1959
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Wood, J. T. (John Turtle), 1820 or 1821-1890
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Nemoi - CC BY 3.0
Monteil, Amans-Alexis, 1769-1850
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Harry T. Edwards - Public Domain
Edwards, Harry T.
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Photographie de presse de l'agence Meurisse - Public Domain
Dautry, Raoul, 1880-1951
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Edward Bierstadt - Public Domain
Draper, John William, 1811-1882
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Al2ffresco2008 - CC BY-SA 3.0
Edgerton, Michael, 1961-
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Biermann, Aenne, 1898-1933
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Cbl62 - CC BY 3.0
Jackson, Reggie
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Apeda Studio, New York - Public Domain
Westley, Helen
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Carnegie, Andrew, 1835-1919
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Fry, William Henry, 1813-1864
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Horn, Ernst, 1774-1848
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Ringgold, Samuel, 1796-1846
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Frederick Yeates Hurlstone - Public Domain
Hurlstone, Frederick Yeates, 1800-1869
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Beamont, William, 1797?-1889
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Brianmcmillen - CC BY-SA 3.0
Ali, Rashied, 1933-2009