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Tabercil - CC BY-SA 3.0
Linnean Society - Public Domain
National Photo Company Collection (Library of Congress) - Public Domain
Christendom College - Public Domain
Dark Attsios - Public Domain
unknown - Public Domain
Estachyra - CC BY-SA 3.0
Center for Jewish History, NYC - Public Domain
From 1850's "Memorial of the Morses" by Abner Morse. - Public Domain
author - CC0 1.0
Joseph Kriehuber - Public Domain
Public Domain
Georges Biard - CC BY-SA 3.0
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Fonda, Peter, 1939-
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Tabercil - CC BY-SA 3.0
Webster, Victor, 1973-
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Scheindlin, Shira A. (Shira Ann)
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Humboldt, Wilhelm, Freiherr von, 1767-1835
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Fuqua, Antoine
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Linnean Society - Public Domain
Lankester, E. Ray (Edwin Ray), Sir, 1847-1929
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Gàmbara, Veronica, 1485-1550
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National Photo Company Collection (Library of Congress) - Public Domain
McNamee, Graham, 1888-1942
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Christendom College - Public Domain
Carroll, Warren Hasty.
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Bush, Alan, 1900-1995
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Dark Attsios - Public Domain
L'Hôte, Jean, 1929-1985
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unknown - Public Domain
Koninck, L. G. de (Laurent Guillaume), 1809-1887
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Estachyra - CC BY-SA 3.0
Laurence, Ashley
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unknown - Public Domain
Johnson, J. A. (John Augustus), 1842-1907
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Center for Jewish History, NYC - Public Domain
March on Washington for Jobs and Freedom (1963 : Washington, D.C.)
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Fries, Jakob Friedrich, 1773-1843
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From 1850's "Memorial of the Morses" by Abner Morse. - Public Domain
Morse, Freeman H. (Freeman Harlow), 1807-1891
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author - CC0 1.0
Mendoza y Ríos, José de, 1763-1816
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Dernburg, Bernhard, 1865-1937
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Harrison, Thomas Alexander, 1853-1930
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Joseph Kriehuber - Public Domain
Böhm, Joseph, 1795-1876
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Fajans, Kasimir, 1887-1975
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Niwano, Nikkyō, 1906-1999
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unknown - Public Domain
Antonelli, Leonardo, 1730-1811
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Coyle, William Jennings, 1888-1977
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Gilbert, C. P. H. (Charles Pierrepont H.), 1861-1952
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Public Domain
Caragiale, I.L. (Ion Luca), 1852-1912
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Anders, Allison
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Georges Biard - CC BY-SA 3.0
Corneau, Alain, 1943-2010
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unknown - Public Domain
Molique, Bernhard, 1802-1869