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Ellen L. B. Wendell - Public Domain
Public Domain
Simon Julien - Public Domain
unknown - Public Domain
Alaminalpha - CC BY-SA 3.0
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Zeroth - CC BY-SA 3.0
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Aylon, Hélène 1931-
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Lewes, George Henry, 1817-1878
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Berger, Ludwig, 1777-1839
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Ellen L. B. Wendell - Public Domain
Temple, William, 1814-1863
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Barbier, Jules, 1825-1901
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Public Domain
Eckhart, Meister, -1327
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McBride, John Rogers, 1832-1904
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Meyer, Conrad Ferdinand, 1825-1898
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Simon Julien - Public Domain
Jacob, Georges, 1739-1814
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Public Domain
Van Valkenburgh, R. B. (Robert Bruce), 1821-1888
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unknown - Public Domain
Tholuck, August, 1799-1877
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Bertillon, Alphonse, 1853-1914
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Rolla, Alessandro, 1757-1841
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Alaminalpha - CC BY-SA 3.0
Bell, Gawain, Sir
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Bill Golladay - CC BY-SA 4.0
Beard, James, 1903-1985
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unknown - Public Domain
Séjour, Victor, 1817-1874
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Gorupdebesanez - CC BY-SA 3.0
Del Monte, Peter
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Comenius, Johann Amós, 1592-1670
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N. C. Wingo - Public Domain
Vardaman, James Kimble, 1861-1930
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Leicester, Lettice Dudley, Countess of, 1543-1634
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Burns, Robert, 1759-1796
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Burnett, William, Sir, 1779-1861.
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Hillery, Patrick
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unknown - Public Domain
Townsend, George Alfred, 1841-1914
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Crumit, Frank
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Fields, Annie, 1834-1915
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Public Domain
Poindexter, George, 1779-1853
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Cotler, I. (Irwin), 1940-
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Zeroth - CC BY-SA 3.0
Campodónico, Juan, 1971-
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Mckinley, William, 1843-1901