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Channel 7 - Public Domain
unknown - Public Domain
Michael Schamis - CC BY 2.0
Seeteufel - CC BY-SA 3.0
Rudolf Eickemeyer - Public Domain
Boissard, Jean-Jacques - Public Domain
author - Public Domain
Malmö Konstmuseum - Public Domain
ProjektRecords - CC BY-SA 3.0
Subido por Tatehuari el 15 de diciembre de 2006 - Public Domain
Engraving by J. C. Buttre - Public Domain
Henry Donovan - Public Domain
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Channel 7 - Public Domain
Dewhurst, Colleen
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unknown - Public Domain
Farmer, Fannie Merritt, 1857-1915
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Michael Schamis - CC BY 2.0
Lyon, Rick
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Seeteufel - CC BY-SA 3.0
Kistler, Cyrill, 1848-1907
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Howard, James J., 1927-1988
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Rudolf Eickemeyer - Public Domain
Kahn, Florence, 1876-1951
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Herzlieb-Walch, Wilhelmine, 1789-1865
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Routledge, W. Scoresby (William Scoresby), 1859-1939
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Boissard, Jean-Jacques - Public Domain
Baudius, Dominique, 1561-1613
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author - Public Domain
Bullinger, E.W. (Ethelbert William), 1837-1913
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unknown - Public Domain
Cobbett, Walter Willson, 1847-1937
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Morris, Jane, 1839-1914
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Malmö Konstmuseum - Public Domain
Hill, Carl Fredrik, 1849-1911
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Talley, Marion, 1907-1983
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Robinson, Charles S. (Charles Seymour), 1829-1899
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Krasilovsky, Alexis
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Romako, Anton, 1832-1889
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ProjektRecords - CC BY-SA 3.0
Rosenthal, Sam
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Bouillon, Henri de la Tour-d'Auvergne, duc de, 1555-1623
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Subido por Tatehuari el 15 de diciembre de 2006 - Public Domain
Andréu Almazán, Juan 1891-1965
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Whewell, William, 1794-1866
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Miller, Henry, 1891-1980.
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Fechner, Gustav Theodor, 1801-1887
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Engraving by J. C. Buttre - Public Domain
Johnson, Herschel V. (Herschel Vespasian), 1812-1880
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Bryan, David, 1962-
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Henry Donovan - Public Domain
Kraus, Adolf, 1850-1928
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Hillyer, Lambert, 1893-1969
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DiSalle, Michael V. (Michael Vincent), 1908-1981
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unknown - Public Domain
Doles, Johann Friedrich, 1715-1797
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Kerschensteiner, Georg, 1854-1932