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unknown - Public Domain
Photo Associates - Public Domain
R. Swoboda - Public Domain
Paul venter - CC BY-SA 3.0
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Willard, O.H. - Public Domain
Wandering Angus -
James Lorenzo Bowen (1842-1919) - Public Domain
:Category:Maull and Fox - Public Domain
Harper's Weekly - Public Domain
Sir William Boxall (1800-1879) - Public Domain
Elliott & Fry - Public Domain
Family - Public Domain
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unknown - Public Domain
Webb, Mary, 1881-1927
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Goldsmid, Francis Henry, Sir, 1808-1878
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Foucault, Léon, 1819-1868
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ʻAmidror, Yaʻaḳov
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Moszkowski, Moritz, 1854-1925
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Varigny, Charles Victor Crosnier de, 1829-1899
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Royal, F. B. (Forrest Betton), 1893-1945
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Photo Associates - Public Domain
Connors, Chuck, 1921-1992
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unknown - Public Domain
Lehman, Emanuel, 1827-1907
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R. Swoboda - Public Domain
Urban, Joseph, 1872-1933
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Harris, Henry S. (Henry Schenck), 1850-1902
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Paul venter - CC BY-SA 3.0
Mason, Judith
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Holter, Norman J., 1914-1983
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Originally uploaded by Creton4 -
Hamblen, Stuart, 1908-1989
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Roland, Ruth, 1892-1937
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Willard, O.H. - Public Domain
Allen, George, 1808-1876
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Massen, Osa
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Wandering Angus -
Gould, Gordon, 1920-2005
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James Lorenzo Bowen (1842-1919) - Public Domain
Wild, Edward Augustus, 1825-1891
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Jackson, Michael, 1942-2007
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:Category:Maull and Fox - Public Domain
Sabine, Edward, Sir, 1788-1883
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Mackarness, John Fielder, 1820-1889
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Harper's Weekly - Public Domain
Howard, Joseph, 1833-1908
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Holling, C.S.
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Langevin, Paul, 1872-1946
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Sir William Boxall (1800-1879) - Public Domain
Rendel, James Meadows, 1799-1856
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Losskiĭ, N. O. (Nikolaĭ Onufrievich), 1870-1965
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Elliott & Fry - Public Domain
Gilbert, W.S. (William Schwenck), 1836-1911
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Montgomery, Carrie Judd
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Family - Public Domain
Everth, Erich, 1878-1934