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Mathew Brady - Public Domain
Nadar - Public Domain
Bain News Service, publisher - Public Domain
United States Government - Public Domain
Public Domain
David Shankbone - CC BY-SA 3.0
Unknown -
Reginaldmarsh - CC BY-SA 3.0
unknown - Public Domain
Seaninryan - CC BY-SA 3.0
A.H.editorwiki - CC BY-SA 4.0
Robert Timms -
Mrfreeze - CC BY-SA 3.0
Jmabel - CC BY-SA 3.0
Daderot - CC0 1.0
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Mathew Brady - Public Domain
Hoe, Richard March, 1812-1886
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Graf, Oskar Maria, 1894-1967
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Marks, Albert Smith, 1836-1891
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Boorman, John, 1933-....
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Nadar - Public Domain
Blanc, Charles, 1813-1882
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Burrell, Martin, 1858-1938
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Bain News Service, publisher - Public Domain
Harmon, Clifford B. (Clifford Burke), 1865-1945
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United States Government - Public Domain
Stanley, Arthur Jehu, 1901-
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Public Domain
Gill, Charles, 1871-1918.
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David Shankbone - CC BY-SA 3.0
Jay, Ricky, 1946-2018
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Kikwete, Jakaya Khalfan Mrisho, 1950-....
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Unknown -
Mombert, Alfred, 1872-1942
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Reginaldmarsh - CC BY-SA 3.0
Tyson, Sylvia, 1940-
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Goodridge, John, 1764-1786
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Hillis, Newell Dwight, 1858-1929
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unknown - Public Domain
Bromwell, James E. (James Edward), 1920-
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Seaninryan - CC BY-SA 3.0
Coleman, Michael, 1962-
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Momper, Josse de 1564-1635
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Messner-Loebs, William
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Goudsmit, Samuel A. (Samuel Abraham), 1902-1978
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A.H.editorwiki - CC BY-SA 4.0
Gerges, Fawaz A., 1958-
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Lachman, Edward, 1948-....
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Conyngham, Elizabeth Conyngham, Marchioness, -1861
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Trouillebert, Paul Désiré, 1831-1900
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Robert Timms -
Stone, Samuel, 1602-1663
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unknown - Public Domain
Davis, Varina, 1826-1906
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Mrfreeze - CC BY-SA 3.0
Helgenberger, Marg
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unknown - Public Domain
Snouck Hurgronje, C. (Christiaan), 1857-1936
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Jmabel - CC BY-SA 3.0
Skee-Lo, 1973-
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Daderot - CC0 1.0
McLaren, John, 1846-1943