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Unknown, published by S.J. Clarke Publishing Company - Public Domain
author - Public Domain
Warner Brothers, Burbank, California - Public Domain
Bettmann, Corbis - Public Domain
Henry Donovan - Public Domain
NBC Television - Public Domain
''The Washington Times'' - Public Domain
Alexandre Séon ? - Public Domain
International News Service/St Louis Post-Dispatch. - Public Domain
Gage Skidmore - CC BY-SA 3.0
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Gley, E. (Eugène), 1857-1930
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Unknown, published by S.J. Clarke Publishing Company - Public Domain
Hart, Pearl
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Rice, William North, 1845-1928
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Bonaparte, Charles J. (Charles Joseph), 1851-1921
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Harmon, Mark, 1951-....
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Reinagle, Philip, 1749-1833
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Le Moine, J. M. (James MacPherson), Sir, 1825-1912
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Chudnovsky, Maria, 1977-
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author - Public Domain
Jackson, William Hicks, 1835-1903
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Jenkins, Edward, 1838-1910
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Bibesco, Marthe, 1886-1973
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Warner Brothers, Burbank, California - Public Domain
Lorring, Joan
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Demarczyk, Ewa
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Bettmann, Corbis - Public Domain
Thérémin, Léon, 1896-1993
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Fox, Marye Anne, 1947-....
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Heroult, Paul
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Henry Donovan - Public Domain
McCormick, Cyrus H. (Cyrus Hall), 1859-1936
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Desrochers, Étienne-Jehandier 1668-1741
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Lovelace, W. Randolph (William Randolph), 1907-1965
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Schroeder, Seaton, 1849-1922
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Nagel, Charles, 1849-1940
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NBC Television - Public Domain
Cottle, Bob, 1920-1999
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Schillings, Max von
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Shulman, Paul N., 1922-1994
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Davis, William Heath, 1822-1909
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''The Washington Times'' - Public Domain
Sterrett, Cliff, 1883-1964
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Alexandre Séon ? - Public Domain
Séon, Alexandre, 1855-1917
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International News Service/St Louis Post-Dispatch. - Public Domain
Farrow, John, 1904-1963
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Gage Skidmore - CC BY-SA 3.0
Wolf, Scott, 1968-....
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Gould, Elizabeth, 1804-1841.