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W. M. Lockwood - Public Domain
unknown - Public Domain
Chris Evans - CC BY 2.0
Public Domain
Gabriela Kotik - CC BY-SA 3.0
Georges Biard - CC BY-SA 3.0
W. & D. Downey - Public Domain
Elke Nieschulz de Stockhausen - Public Domain
Saddhiyama - Public Domain
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Wolf, Lucien, 1857-1930
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W. M. Lockwood - Public Domain
Chase, Warren, 1813-1891
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Douglas, Aaron
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unknown - Public Domain
Richardson, Wilds Preston, 1861-1929
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Rémusat, Charles de, 1797-1875
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Billot, Louis, 1846-1931
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Chris Evans - CC BY 2.0
Niekro, Phil, 1939-
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Public Domain
Quincy, Josiah, 1859-1919
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Haga, Cornelis, 1578-1654
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Fenton, Faith, 1857-1936
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Garfield, James Rudolph, 1865-1950
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Beaufoy, Mark, 1764-1827
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Niépce, Nicéphore 1765-1833
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Hone, Philip, 1780-1851
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Gabriela Kotik - CC BY-SA 3.0
Kotík, Jan Jakub, 1972-2007
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Johnson, Royal C. (Royal Cleaves), 1882-1939
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Public Domain
Young, Clara Kimball, 1890-1960
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unknown - Public Domain
Shternberg, Lev I︠A︡kovlevich, 1861-1927
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LaBadie, Florence, 1888-1917
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Moszkowski, Moritz, 1854-1925
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Georges Biard - CC BY-SA 3.0
Jacquot, Benoît, 1947-
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Stassinopoulos, Arianna
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Strauß, Franz Josef, 1915-1988
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Duckworth, Robinson, 1834-1911
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W. & D. Downey - Public Domain
Payn, James, 1830-1898
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King, Austin Augustus, 1802-1870
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Elke Nieschulz de Stockhausen - Public Domain
Cajigal, Juan Manuel, 1803-1856
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unknown - Public Domain
Hardy, Arthur Sherburne, 1847-1930
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Benzoni, Girolamo, 1519-
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Saddhiyama - Public Domain
Bergh, Rudolph, 1824-1909