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Ludwig Gutmann - Public Domain
Frank Penny - Public Domain
Steven K. Baum - CC BY-SA 1.0
gbaku - CC BY-SA 2.0
The Library Publishing Co. - Public Domain
rielaborazione ad opera di Albertomos - Public Domain
J. Stuart Blackton Feature Pictures / Vitagraph - Public Domain
unknown - Public Domain
Ttownfeen - Public Domain
Rick Cooper - CC BY 2.0
Howard Jones -
Underwood & Underwood - Public Domain
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Ludwig Gutmann - Public Domain
Bergler, Edmund, 1899-1962
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Cody, Lew, 1884-1934
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Davidson, John, 1857-1909
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Wichert, Ernst, 1831-1902
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Duméril, Auguste Henri André, 1812-1870
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Whitelocke, John, 1757-1833
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Féoktistov, Konstantin, 1926-2009
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Shenstone, William, 1714-1763
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Frank Penny - Public Domain
Corrie, Daniel, 1777-1837
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Steven K. Baum - CC BY-SA 1.0
Baum, Steven K., 1953-
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DeVita, Vincent T., Jr., 1935-
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gbaku - CC BY-SA 2.0
Clark, J. Desmond (John Desmond), 1916-2002
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The Library Publishing Co. - Public Domain
Kennedy, Charles Rann, 1871-1950
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rielaborazione ad opera di Albertomos - Public Domain
Azcárate, Gumersindo de, 1840-1917
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J. Stuart Blackton Feature Pictures / Vitagraph - Public Domain
Dean, Louis, 1876-1933
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Almasi, Tamas
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unknown - Public Domain
Smith, Augustus John, 1804-1872
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Japp, Francis Robert, 1848-1925
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Prentiss, Benjamin M. (Benjamin Mayberry), 1819-1901
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unknown - Public Domain
Falconer, Lanoe, 1848-1908
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Ttownfeen - Public Domain
Hood, James A.
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Rick Cooper - CC BY 2.0
Becket, Marta
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Fokine, Michel, 1880-1942
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Nepean, Evan, Sir, 1751-1822
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Zupitza, Julius, 1844-1895
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Howard Jones -
Trần, Lệ Xuân 1924-2011
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unknown - Public Domain
T︠S︡iolkovskiĭ, K. (Konstantin), 1857-1935
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Underwood & Underwood - Public Domain
Warren, Charles Beecher
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unknown - Public Domain
Paris, Gaston Bruno Paulin, 1839-1903
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O'Donnell, Francis