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United States Senate Historical Office - Public Domain
Christopher Michael Little at http://thisischrislittle.com - CC BY 2.0
Public Domain
Nv8200p - CC BY-SA 4.0
Arnold Genthe - Public Domain
Anonymous - Public Domain
Unsigned image - Public Domain
Lady Ottoline Morrell (died 1938) - Public Domain
Bain - Public Domain
Stephencdickson - CC BY-SA 3.0
Photo by William James Topley - Public Domain
original uploader - Public Domain
unknown - Public Domain
Bain News Service; original uploader was Richard Arthur Norton (1958- ) - Public Domain
author info - Public Domain
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Vámbéry, Ármin, 1832-1913
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United States Senate Historical Office - Public Domain
Milledge, John, 1757-1818
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Mapes, Carl E. (Carl Edgar), 1874-1939
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Christopher Michael Little at http://thisischrislittle.com - CC BY 2.0
Hackman, Gene
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Mills, Arthur, 1816-1898
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Dufay, Charles-François de Cisternai, 1698-1739
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Public Domain
Sewell, Henry, 1807-1879
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Zetkin, Klara, 1857-1933
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Nv8200p - CC BY-SA 4.0
Bialosky, Jill
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Carter, Jared
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Horden, John, 1828-1893
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Arnold Genthe - Public Domain
Munson, Audrey, 1891-1996
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Anonymous - Public Domain
Ward, Marcus L. (Marcus Lawrence), 1812-1884
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Ryland, John, 1753-1825
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Jones, Lloyd, 1955-....
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Baltimore, Cecil Calvert, Baron, approximately 1605-1675
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Unsigned image - Public Domain
Murfree, Mary Noailles, 1850-1922
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Lady Ottoline Morrell (died 1938) - Public Domain
Stephens, James, 1882-1950
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Albert, Heinrich Friedrich, 1874-1960
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Bain - Public Domain
Moseley, George Van Horn, 1874-1960
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Stephencdickson - CC BY-SA 3.0
Smith, Alexander, 1830?-1867
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Photo by William James Topley - Public Domain
Laut, Agnes C., 1871-1936
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Public Domain
Wait, John Turner, 1811-1899
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original uploader - Public Domain
Burton, Harold H. (Harold Hitz), 1888-1964
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unknown - Public Domain
Johnson, Isaac, 1803-1853
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Bain News Service; original uploader was Richard Arthur Norton (1958- ) - Public Domain
Gustafson, Axel Carl Johan, active 1864-1887
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Rous, Henry John, 1795-1877
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author info - Public Domain
Deldevez, Édouard Marie Ernest, 1817-1897
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Reinhart, Charles Stanley, 1844-1896
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Kapell, William