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W. - CC BY 3.0
photo by Lesley Bohm - CC BY-SA 4.0
Assenmacher - CC BY-SA 3.0
photographer uncredited; originally published by William Fox - Public Domain
unknown - Public Domain
Mathew Brady - Public Domain
Thesupermat - CC BY-SA 3.0
The Library of Congress -
National Park Service - Public Domain
Leon Kunstenaar - CC BY-SA 3.0
Adna Tenney, 1862 - Public Domain
original author: unknown; cropped and retouched by: Rlevente - CC BY-SA 4.0
Markbellis - CC BY-SA 4.0
Public Domain
Yann - CC BY-SA 3.0
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Patterson, Robert, 1792-1881
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Baird, William Baptiste, 1847-1917
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Muller, Anna-Maria
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Bober, Harry, 1915-1988
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W. - CC BY 3.0
Shinoyama, Kishin, 1940-....
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photo by Lesley Bohm - CC BY-SA 4.0
Caplan, Paula J.
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Hall, William, 1775-1856
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Assenmacher - CC BY-SA 3.0
Yun, Isang
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Birgel, Willy, 1891-1973
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photographer uncredited; originally published by William Fox - Public Domain
Bernard, Dorothy, 1890-1955
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unknown - Public Domain
Steber, Eleanor, 1914-1990
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Mathew Brady - Public Domain
Thayer, Eli, 1819-1899
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Hare, James, 1747?-1804
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Quartley, Arthur, 1839-1886
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Copley, John, 1875-1950
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Brosses, Charles de 1709-1777
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Thesupermat - CC BY-SA 3.0
Cocker, Joe
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Marshall, Humphrey, 1812-1872
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The Library of Congress -
Stacy, Jess, 1904-1995
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National Park Service - Public Domain
Pryor, Cactus
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Leon Kunstenaar - CC BY-SA 3.0
Solomon, Norman, 1951-....
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Adna Tenney, 1862 - Public Domain
Berry, Nathaniel Springer, 1796-1894
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unknown - Public Domain
Parks, Rosa, 1913-2005
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unknown - Public Domain
Pusey, Joshua, 1842-1906
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original author: unknown; cropped and retouched by: Rlevente - CC BY-SA 4.0
Tzara, Tristan, 1896-1963
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Markbellis - CC BY-SA 4.0
Munsch, Robert N., 1945-
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Stack, Robert, 1919-2003
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Batsch, A. J. G. K. (August Johann Georg Karl), 1761-1802
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Public Domain
Hickenlooper, Bourke B. (Bourke Blakemore), 1896-1971
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Yann - CC BY-SA 3.0
Desai, Narayan