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Georges Lorin - Public Domain
Cesare Maccari - Public Domain
Cecil Aldin (1870-1935) - Public Domain
RICHARDJRBP - CC BY-SA 3.0
Public Domain
Photobra - CC BY-SA 3.0
Unknown portrait artist - Public Domain
Debasis1961 - CC BY-SA 4.0
Furmeyer - Public Domain
unknown - Public Domain
Paramount - Public Domain
Aaron Fulkerson - CC BY-SA 2.0
U.S. Department of Energy - Public Domain
J. S. Scannell (Paterson, NJ), editor and publisher. Via HathiTrust. - Public Domain
James Haynes, author. Omaha Printing Company, publisher. - Public Domain
Herbert Rose Barraud (1845-1896) - Public Domain
Image from Wikimedia Commons
Georges Lorin - Public Domain
Champsaur, Félicien, 1859-1934
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Cesare Maccari - Public Domain
Catiline, approximately 108 B.C.-62 B.C.
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Cecil Aldin (1870-1935) - Public Domain
Aldin, Cecil, 1870-1935
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Vogel von Vogelstein, Carl Christian, 1788-1868
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LaMonte, Karen, 1967-
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RICHARDJRBP - CC BY-SA 3.0
Lasso, Gloria
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Morris, Isaac N. (Isaac Newton), 1812-1879
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Public Domain
Kass, Leon
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Photobra - CC BY-SA 3.0
Soulchild, Musiq, 1977-
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Unknown portrait artist - Public Domain
Reynolds, Thomas, 1796-1844
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Public Domain
Somoza, Anastasio, 1925-1980
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Hughes, Harry Roe, 1926-
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Gosse, Sylvia, 1881-1968
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Taft, Henry W. (Henry Waters), 1859-1945
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Thornton, Anna Maria Brodeau, 1775?-1865
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Brassey, Thomas Brassey, Earl, 1836-1918
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Debasis1961 - CC BY-SA 4.0
Kabra, Brij Bhushan
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Furmeyer - Public Domain
Amyot, Jacques, 1513-1593
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Girardin, Émile de, Mme, 1804-1855
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unknown - Public Domain
Flanigan, Peter M. (Peter Magnus), 1923-2013
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Paramount - Public Domain
Coogan, Robert, 1925-1978
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Arledge, John, 1907-1947
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Aaron Fulkerson - CC BY-SA 2.0
Coleman, Gary, 1968-2010
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Kirk, Andy, 1898-1992
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U.S. Department of Energy - Public Domain
Szilard, Leo
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J. S. Scannell (Paterson, NJ), editor and publisher. Via HathiTrust. - Public Domain
Bacharach, Isaac, 1870-1956
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Fabre, François-Xavier, baron, 1766-1837
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Morand, Charles Antoine, 1771-1835
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James Haynes, author. Omaha Printing Company, publisher. - Public Domain
De la Matyr, Gilbert, 1825-1892
Image from Wikimedia Commons
Herbert Rose Barraud (1845-1896) - Public Domain
Brough, Fanny Whiteside, 1854-1914