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:de:Johann Stephan Decker - Public Domain
:de:Dora Carrington - Public Domain
anonymous - Public Domain
Willard, Frances Elizabeth. - Public Domain
Eric Gaba (Sting - CC BY-SA 3.0
anonymous -
Abbie Rowe - Public Domain
Tduk - CC BY-SA 4.0
E. Finden (lithographer) - Public Domain
Unbekannter Künstler - Public Domain
Harris & Ewing - Public Domain
Klaus Rudolph - CC BY-SA 4.0
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Browne, Edward Granville, 1862-1926
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Powell, Cecil Frank
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Franklin, Miles, 1879-1954
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Dewing, Thomas Wilmer, 1851-1938
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Wilson, Lois, 1895-1988
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Buetel, Jack, 1915-1989
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Cutler, Timothy, 1684-1765
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Hull, Cordell, 1871-1955
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Kropotkin, Petr Alekseevich, kni︠a︡zʹ, 1842-1921
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Tyndall, John, 1820-1893
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Mundy, George Rodney 1805-1884
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:de:Johann Stephan Decker - Public Domain
Iffland, August Wilhelm, 1759-1814
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Peacock, Andrew, 1939-
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:de:Dora Carrington - Public Domain
Carrington, Dora de Houghton, 1893-1932
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anonymous - Public Domain
Hays, Margaret G., 1874-1925.
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Gorky, Arshile, 1904-1948
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Eberle, Edward W. (Edward Walter), 1864-1929
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Johnson, Francis, 1792-1844
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Willard, Frances Elizabeth. - Public Domain
Kirkman, Marshall M. (Marshall Monroe), 1842-1921
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Brooke, John Charles, 1748-1794
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Eric Gaba (Sting - CC BY-SA 3.0
Pinheiro, Israel, 1896-1973
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anonymous -
Rojankovsky, Feodor, 1891-1970
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Abbie Rowe - Public Domain
Swainson, John B. (John Burley), 1925-1994
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Tduk - CC BY-SA 4.0
Tuten, Frederic
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Steinhoff, Johannes
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E. Finden (lithographer) - Public Domain
Swainson, William, 1789-1855
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Unbekannter Künstler - Public Domain
Falk, Johann Daniel, 1768-1826
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Harris & Ewing - Public Domain
Adkins, Jesse C. (Jesse Corcoran), 1879-1955
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Klaus Rudolph - CC BY-SA 4.0
Lachenmann, Helmut
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Gainsborough, Thomas, 1727-1788