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Cdebary - CC BY-SA 4.0
unknown - Public Domain
Juan Garcia - CC BY-SA 3.0
Harris & Ewing - Public Domain
Elliott & Fry -
Lewis Clinton Strang - Public Domain
Maull & Polyblank - Public Domain
United States Senate Historical Office - Public Domain
Clinedinst Studio - Public Domain
Simon James - CC BY-SA 2.0
Ron Zimmerman -
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Palmstedt, Erik, 1741-
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Drury, Allen
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Lewes, George Henry, 1817-1878
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Berenblum, I. (Isaac), 1903-
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Lind, Jens, 1874-1939
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Feydeau, Ernest, 1821-1873
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Dingle, Charles, 1887-1956
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Shudi, Burkat, 1702-1773
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Scheele, Leonard Andrew, 1907-1993
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Butler, Edward Hubert, 1850-1914
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Cdebary - CC BY-SA 4.0
Stoddard, Whitney S.
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unknown - Public Domain
Lavelli, Jorge
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unknown - Public Domain
Seashore, Carl E. (Carl Emil), 1866-1949
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Juan Garcia - CC BY-SA 3.0
Roitman, Volf
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Harris & Ewing - Public Domain
Andrews, Fannie Fern, 1867-1950
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Silvester, Peter Henry, 1807-1882
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unknown - Public Domain
Matzeliger, Jan Ernst, -1889
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Elliott & Fry -
Burnham, Frederick Russell, 1861-1947
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Virginia Union University (Richmond, Va.)
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Lewis Clinton Strang - Public Domain
McDonald, Christie, 1875-1962
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Maull & Polyblank - Public Domain
Miers, John, 1789-1879
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Keyes, Evelyn, 1916-2008
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United States Senate Historical Office - Public Domain
Allott, Gordon, 1907-1989
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Clinedinst Studio - Public Domain
Terrell, J. M. (Joseph Meriweather), 1861-1912
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Hare, Thomas, 1806-1891
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Simon James - CC BY-SA 2.0
Wesker, Arnold, 1932-....
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Ron Zimmerman -
Rothschild, Philippe, baron de, 1902-
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Starin, John H. (John Henry), 1825-1909
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Cline, Edward, 1892-1961
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Castelnau, Francis, comte de, 1812-1880