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:de:SpreeTom (own work) -
"Salon de 1895", L. Baschet, édition (Paris, 1895) - Public Domain
user at project - Public Domain
Unknown (Bain News Service, publisher) - Public Domain
US Government Printing Office - Public Domain
Unknown military photographer of the Signal Corps - Public Domain
unknown - Public Domain
Alessandra Freguja - CC BY-SA 2.0
Public Domain
Tereza Samková - CC BY 3.0
Alessio Sbarbaro - CC BY-SA 2.5
NASA - Public Domain
Lothar Wolleh - CC BY-SA 3.0
Abu al-Hasan (1589-1630) - Public Domain
? / - Public Domain
José de Madrazo-Biblioteca Nacional de España - CC BY-SA 4.0
Duranceau - CC BY-SA 4.0
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Leach, Robin
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:de:SpreeTom (own work) -
Womacka, Walter, 1925-2010
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"Salon de 1895", L. Baschet, édition (Paris, 1895) - Public Domain
Pearce, Charles Sprague, 1851-1914
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user at project - Public Domain
Miller, Mildred, 1924-
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Draper, Henry, 1837-1882
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Pope, W. H. (William Henry), 1825-1879
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Unknown (Bain News Service, publisher) - Public Domain
Thibaud, Jacques
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US Government Printing Office - Public Domain
Burton, John L., 1932-
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Moravia, Alberto, 1907-1990
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Chapman, George, 1559?-1634
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Unknown military photographer of the Signal Corps - Public Domain
Ricketts, C. V. (Claude Vernon), 1906-1964
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unknown - Public Domain
Methuen, Algernon, 1856-1924
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Alessandra Freguja - CC BY-SA 2.0
Rava, Enrico, 1939-....
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Dietzgen, Joseph, 1828-1888
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Ramis, Harold
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Fenner, James, 1771-1846
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Public Domain
Berret, James G. (James Gabriel), 1815-1901
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Martini, Simone, 1283-1344
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Tereza Samková - CC BY 3.0
Grzimek, Michael, 1934-1959
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Stoddard, Richard Henry, 1825-1903
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Alessio Sbarbaro - CC BY-SA 2.5
Sciutti, Graziella
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NASA - Public Domain
Gemini VI-A (Spacecraft)
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Davitt, Michael, 1846-1906
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Lothar Wolleh - CC BY-SA 3.0
Delaunay, Sonia
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Abu al-Hasan (1589-1630) - Public Domain
Jahangir, Emperor of Hindustan, 1569-1627
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Faust, Drew Gilpin
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? / - Public Domain
Gaines, John Pollard, 1795-1857
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José de Madrazo-Biblioteca Nacional de España - CC BY-SA 4.0
Escoi͏̈quiz, ... (Juan), 1762-1820
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Duranceau - CC BY-SA 4.0
Sharman, Rodney
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Cobb, Amasa, 1823-1905