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unknown - Public Domain
Mathew Brady or Levin Handy - Public Domain
Ben P L - CC BY 2.0
War of the Nations, New York Times Co., New York, 1919 - Public Domain
Heike Zappe -
Joseph Kriehuber - Public Domain
Jeanne Rij-Rousseau (1870-1956) - CC BY-SA 3.0
Metro-Goldwyn-Mayer - Public Domain
Public Domain
chattingjason (Jason Chatting) - CC BY 2.0
Mathew Brady Levin Corot Handy - Public Domain
Olivier Strecker - CC BY-SA 3.0
w:Simon De Passe - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
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unknown - Public Domain
Vīrēśaliṅgaṃ, Kandukūri, 1848-1919
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Mathew Brady or Levin Handy - Public Domain
Porter, Horace, 1837-1921
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Ben P L - CC BY 2.0
Holmoe, Tom, 1960-
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Glendon, Mary Ann, 1938-....
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Dagron, Prudent René Patrice, 1819-1900
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Tetrazzini, Luisa
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unknown - Public Domain
Compans, Jean-Dominique, 1769-1845
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Soffici, Ardengo, 1879-1964
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Graetz, Heinrich, 1817-1891
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Bogue, Virgil Gay, 1846-1916
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Cornforth, John Warcup, 1917-2013
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Stanton, Frank Lebby, 1857-1927
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War of the Nations, New York Times Co., New York, 1919 - Public Domain
Berthelot, Henri-Mathias, 1861-1931
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Pingree, Samuel Everett, 1832-1922
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Heike Zappe -
Berggruen, Heinz
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Joseph Kriehuber - Public Domain
Briccialdi, Giulio, 1818-1881
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Jeanne Rij-Rousseau (1870-1956) - CC BY-SA 3.0
Rij-Rousseau, Jeanne, 1870-1956
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Metro-Goldwyn-Mayer - Public Domain
Brown, Johnny Mack
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Public Domain
Travers, P.L. (Pamela Lyndon), 1899-1996
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chattingjason (Jason Chatting) - CC BY 2.0
Odonnell, Rosie
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White Bull, Joseph, 1849-1947
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Funk, Walther, 1890-1960
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Chapman, Minerva J., 1858-1947
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Poulbot, Francisque, 1879-1946
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Céan Bermúdez, Juan Agustín, 1749-1829
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Mathew Brady Levin Corot Handy - Public Domain
Hale, Eugene, 1836-1918
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Olivier Strecker - CC BY-SA 3.0
Lautner, Georges
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w:Simon De Passe - Public Domain
Smith, Thomas, 1558?-1625
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Few, William, 1748-1828
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George Grantham Bain Collection (Library of Congress) - Public Domain
Harmsworth, Cecil, 1869-1948