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unknown - CC BY 3.0
Linus Pierpont Brockett and Mary C. Vaughan - Public Domain
w:Edward Wright (mathematician) - Public Domain
unknown - Public Domain
John S. Battle for Governor campaign - Public Domain
Public Domain
Long Island University - Public Domain
Unknown - CC BY-SA 4.0
Ulrich von Baudissin (1816-1892) - Public Domain
PHParsons - CC BY-SA 3.0
Roland Risse - Public Domain
Harris & Ewing - Public Domain
John Hayls - Public Domain
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Wood, Garfield Arthur, 1880-1971
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U'Ren, William Simon, 1859-1949
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Powell, Teddy
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Burmester, Willy, 1869-1933
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unknown - CC BY 3.0
Wittgenstein, Paul, 1887-1961
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Clemenceau, Georges, 1841-1929
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Linus Pierpont Brockett and Mary C. Vaughan - Public Domain
Bickerdyke, Mary Ann, 1817-1901
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Hugh, of Cluny, Saint, 1024-1109
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w:Edward Wright (mathematician) - Public Domain
Wright, Edward, 1558?-1615
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Sulzberger, Mayer, 1843-1923
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unknown - Public Domain
Clum, John P., 1851-1932
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John S. Battle for Governor campaign - Public Domain
Battle, John Stewart, 1890-1972
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Public Domain
Engelhardt, Zephyrin, 1851-1934
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Kolbe, Hermann, 1818-1884
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Long Island University - Public Domain
Lingard, Wm. Horace (William Horace), 1839-1927
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Unknown - CC BY-SA 4.0
Rosseland, Svein, 1894-1985
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Ulrich von Baudissin (1816-1892) - Public Domain
Gurlitt, Cornelius, 1820-1901
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Ortega del Villar, Aniceto, 1825-1875
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Dawson, John William, Sir, 1820-1899
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PHParsons - CC BY-SA 3.0
Van Renseburg, W. C. J. (Willem Cornelis Janse), 1818-1865
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Roland Risse - Public Domain
Bruns, Victor von 1812-1883
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Albert, Barbara, 1970-
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Ward, Fannie, 1872-1952
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Public Domain
Deane, John R. (John Russell), 1919-
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Brenan, Gerald
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Harris & Ewing - Public Domain
Gathmann, Louis, 1843-1917
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John Hayls - Public Domain
Pepys, Samuel, 1633-1703
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Lane, Ebenezer, 1793-1866
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Fiske, George, 1835-1918
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unknown - Public Domain
Aschaffenburg, Gustav, 1866-1944