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unknown - Public Domain
Evaristo San Cristóval (litografía) - Public Domain
Lady Ottoline Morrell (1873-1938) - Public Domain
Alexander Sutherland (book author) - Public Domain
Onehandclapping - CC BY-SA 3.0
Jmabel - CC BY-SA 3.0
NBC Television - Public Domain
Dmitry_Rozhkov - CC BY-SA 3.0
PODZO DI BORGO - CC BY-SA 4.0
Henry Cousins Martin Archer Shee - Public Domain
JaSunni - CC BY-SA 3.0
Christie Film Company / Educational Film Exchanges - Public Domain
Public Domain
Arxivist - CC BY-SA 4.0
Thomas Lawrence - Public Domain
Thomas Crenshaw - CC BY-SA 2.0
François-Séraphin Delpech - Public Domain
U.S. Navy - Public Domain
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De Corsia, Ted 1905–1973
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unknown - Public Domain
White, William Henry, 1845-1913
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Evaristo San Cristóval (litografía) - Public Domain
Serna, José de la 1770-1832
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Lady Ottoline Morrell (1873-1938) - Public Domain
Garnett, David, 1892-1981
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Houk, Ralph, 1919-2010
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unknown - Public Domain
Matzeliger, Jan Ernst, -1889
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Harrison, John, 1693-1776
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Cavendish, 1831-1899
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Alexander Sutherland (book author) - Public Domain
Mirams, James, 1839-1916
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Onehandclapping - CC BY-SA 3.0
Mullen, Harryette Romell
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Jmabel - CC BY-SA 3.0
Vez, El
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NBC Television - Public Domain
Cotten, Joseph, 1905-1994
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Dmitry_Rozhkov - CC BY-SA 3.0
Khakamada, Irina
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PODZO DI BORGO - CC BY-SA 4.0
Sim, 1926-2009
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Henry Cousins Martin Archer Shee - Public Domain
Scarlett, James, Sir, 1769-1844
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Creti, Donato, 1671-1749
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JaSunni - CC BY-SA 3.0
Johnson, George Clayton.
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Christie Film Company / Educational Film Exchanges - Public Domain
Bletcher, Billy, 1894-1979
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Public Domain
Davis, Benjamin Oliver, Jr., 1912-2002
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Arxivist - CC BY-SA 4.0
Esenin, Sergeĭ Aleksandrovich, 1895-1925
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Public Domain
Riggs, Elias, 1810-1901
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Tschirch, A. (Alexander), 1856-1939
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Cranston, Alan, 1914-2000
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Thomas Lawrence - Public Domain
Devonshire, William Spencer Cavendish, Duke of, 1790-1858
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Thomas Crenshaw - CC BY-SA 2.0
Favreau, Jon
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Seton-Watson, R.W. (Robert William), 1879-1951
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Oresme, Nicole, approximately 1320-1382
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François-Séraphin Delpech - Public Domain
Merlin, M. (Philippe-Antoine), 1754-1838
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Davis, Floyd, 1896-1966
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U.S. Navy - Public Domain
Oldendorf, Jesse B. (Jesse Barrett), 1887-1974