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Mathew Brady Levin Corot Handy - Public Domain
unknown - Public Domain
Gene Jackson - CC BY-SA 2.0
Bahudhara - CC BY-SA 3.0
M P Publishing - Public Domain
John Hoppner - Public Domain
Library of Congress - Public Domain
original uploader -
United States House Official Photographer - Public Domain
Maynard Dixon - Public Domain
Illustrator not indicated - Public Domain
John Bumpus - Public Domain
The Franklin Evening Star (Indiana) -
www.GlynLowe.com - CC BY 2.0
Selbymay - CC BY-SA 3.0
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Hogg, Thomas Jefferson, 1792-1862
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Bowers, Allison, 1824-1903
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Mathew Brady Levin Corot Handy - Public Domain
Hamilton, Morgan Calvin, 1809-1893
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Notker, Balbulus, approximately 840-912
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Teller, Edward, 1908-2003
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unknown - Public Domain
Johnson, Chas. L. (Charles Leslie), 1876-1950
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Brecht, Arnold, 1884-1977
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Montgomery, Gabriel, comte de, 1530-1574
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Gene Jackson - CC BY-SA 2.0
Tolliver, Charles
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Bahudhara - CC BY-SA 3.0
Leunig, Michael, 1945-
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Mould, J. Wrey (Jacob Wrey), 1825-1886
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Dehn, Virginia E. (Virginia Engleman), 1922-2005
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Wrench, Evelyn, 1882-1966
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M P Publishing - Public Domain
Stowell, William, 1885-1919
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John Hoppner - Public Domain
Murray, George, Sir, 1772-1846
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Russell, Benjamin, 1761-1845
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Library of Congress - Public Domain
Seligman, Isaac Newton, 1855-1917
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original uploader -
Fraser, Carol Hoorn, 1930-
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Einstein, Elsa, 1876-1936
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Hanson, Curtis
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Brown, Pete, 1940-
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United States House Official Photographer - Public Domain
Mast, Brian, 1980-
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Maynard Dixon - Public Domain
Dixon, Maynard, 1875-1946
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Jones, William, 1726-1800
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Illustrator not indicated - Public Domain
Drew, Daniel, 1797-1879
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John Bumpus - Public Domain
Campbell, George, 1719-1796
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Moncado, Hilario Camino, 1898-1956
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The Franklin Evening Star (Indiana) -
Alschuler, Samuel, 1859-1939
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www.GlynLowe.com - CC BY 2.0
Diaz, Cameron
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Selbymay - CC BY-SA 3.0
Cailliaud, Frédéric, 1787-1869