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Mathew Brady - Public Domain
Raskin Fans - CC BY-SA 2.0
ABC Television - Public Domain
Henry Pierce Bone - Public Domain
National Endowment for the Arts - Public Domain
Internet Archive Book Images -
Thomas Sully - Public Domain
Public Domain
Wildcat Dunny - CC BY 2.0
Claus Michelfelder - CC BY-SA 3.0
unknown - CC BY-SA 4.0
unknown - Public Domain
US Government Printing Office - Public Domain
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Mathew Brady - Public Domain
Somes, Daniel E. (Daniel Eton), 1815-1888
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Raskin Fans - CC BY-SA 2.0
Hightower, Jim, 1943-
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ABC Television - Public Domain
Day, Dennis, 1916-1988
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Henry Pierce Bone - Public Domain
Bone, Henry Pierce, 1779-1855.
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Bolza, O. (Oskar), 1857-1942
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National Endowment for the Arts - Public Domain
Mainer, Wade, 1907-2011
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Cané, Miguel, 1851-1905
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Internet Archive Book Images -
Draper, A. S. (Andrew Sloan), 1848-1913
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Borlaug, Norman E. (Norman Ernest), 1914-2009
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Bogert, Frank M.
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Lavoisier, Marie-Anne-Pierrette, 1758-1836
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Thomas Sully - Public Domain
Baldwin, Henry, 1780-1844
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Public Domain
Dreier, Katherine Sophie, 1877-1952
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Jacombe, Thomas, 1622-1687
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Volstead, Andrew J. (Andrew John), 1860-1947
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Wildcat Dunny - CC BY 2.0
Mondavi, Robert, 1913-2008
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Claus Michelfelder - CC BY-SA 3.0
Wallace, Bill, 1945-
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unknown - CC BY-SA 4.0
Preuss, Arthur, 1871-1934
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unknown - Public Domain
Keys, Nelson
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Visscher, Anna Roemers, 1583-1651
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Blumenthal, Florence, -1930
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unknown - Public Domain
Maffei, Andrea, 1798-1885
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US Government Printing Office - Public Domain
Beach, Lewis, 1835-1886
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Pankhurst, Christabel, Dame, 1880-1958
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Steuart, James, Sir, 1681-1727
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Arden, Edwin, 1864-1918
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Shober, Francis E. (Francis Edwin), 1831-1896
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I︠U︡ng, Klara, 1883-1952
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Love, A.E.H. (Augustus Edward Hough), 1863-1940
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Grigg, P. J. (Percy James), 1890-1964