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Gage Skidmore - CC BY-SA 3.0
Civil War glass negative collection (Library of Congress) - Public Domain
Public Domain
Revista Argentina "Panorama" - Public Domain
Unknown (U.S. Senate Historical Office) - Public Domain
National Photo Company - Public Domain
user at project - CC BY-SA 3.0
U.S. Department of State - Public Domain
George Frederic Watts - Public Domain
Clara Sipprell - Public Domain
Hoffa2 - CC BY-SA 4.0
Indolent Dandy - CC BY-SA 2.0
unknown - Public Domain
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Mould, J. Wrey (Jacob Wrey), 1825-1886
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Gage Skidmore - CC BY-SA 3.0
Fancher, Hampton
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Civil War glass negative collection (Library of Congress) - Public Domain
Williamson, R. S. (Robert Stockton), 1824-1882
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Azeglio, Massimo d', 1798-1866
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Maler, Teobert, 1842-1914
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Public Domain
Brearly, David, 1745-1790
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Varnhagen, Rahel, 1771-1833
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Revista Argentina "Panorama" - Public Domain
Parra, Violeta, 1917-1967
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Unknown (U.S. Senate Historical Office) - Public Domain
Wofford, Harris, 1926-2019
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Bédier, Joseph, 1864-1938
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National Photo Company - Public Domain
Riggs, Thomas, 1873-1945
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Public Domain
Speckhard, Daniel V.
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user at project - CC BY-SA 3.0
Calderon, Ruth, 1961-
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Palmer, William Jackson, 1836-1909
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Arden, Victor, 1893-1962
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U.S. Department of State - Public Domain
Roemer, Tim, 1956-
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Woods, Leonard, 1807-1878
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Wells, G. Wiley (Guilford Wiley), 1840-1909
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Smythe, Reggie
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George Frederic Watts - Public Domain
Stanley, Dorothy, Lady, -1926
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Clara Sipprell - Public Domain
Sipprell, Clara E. (Clara Estelle), 1885-1975
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Dippel, Johann Andreas, 1866-1932
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Antin, Mary, 1881-1949
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Hoffa2 - CC BY-SA 4.0
Garrison, Jim, 1921-1992
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Rosenwald, Julius, 1862-1932
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Indolent Dandy - CC BY-SA 2.0
Amos, Tori
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Tierney, Lawrence, 1919-2002
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Simon, Jules, 1814-1896
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unknown - Public Domain
Gray, James M. (James Martin), 1851-1935
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unknown - Public Domain
Lydenberg, Harry Miller, 1874-1960