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CBS Television - Public Domain
unknown - Public Domain
Marathona - CC BY-SA 3.0
Melesse - CC BY-SA 3.0
Soboky - CC BY-SA 4.0
Clinedinst Studio - Public Domain
Woodson, Carter Godwin (1875-1950) - Public Domain
anonymous - Public Domain
Justus Sustermans - Public Domain
Bill Blankenship <mailto:william.blankenship@cjonline.com>, used by permission - CC BY 3.0
Felice Beato - Public Domain
Mathew Brady - Public Domain
original uploader - Public Domain
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Orde Lees, Thomas, 1877-1958
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Rudolph, Alan, 1943-....
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Jackson, Freda, 1909-1990
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CBS Television - Public Domain
Crawford, Broderick, 1911-1986
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Reines, Frederick, 1918-1998
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unknown - Public Domain
Dyas, Ada, 1843-1908
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Marathona - CC BY-SA 3.0
Switzer, Kathrine
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Rennie, John, Sir, 1794-1874
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Melesse - CC BY-SA 3.0
Garrison, David, 1952-
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Soboky - CC BY-SA 4.0
Kanevskiĭ, Vitaliĭ
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unknown - Public Domain
Chase, John, 1856-
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De Long, George Washington, 1844-1881
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Slater, Rodney Earl, 1955-
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Very, Jones, 1813-1880
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Hansen, Clifford P. (Clifford Peter), 1912-2009
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Jackson, Richard, 1764-1838
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Clinedinst Studio - Public Domain
Dickman, J. T. (Joseph Theodore), 1857-1927
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Woodson, Carter Godwin (1875-1950) - Public Domain
Ray, Charles B. (Charles Bennett), 1807-1886
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Casgrain, H.R. (Henri Raymond), 1831-1904
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Johnson, Eastman, 1824-1906
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anonymous - Public Domain
Schaff, Philip, 1819-1893
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Justus Sustermans - Public Domain
Maria Maddalena, d'Austria, granduchessa, 1587-1631
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Wolfke, Mieczysław (1883-1947).
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Bill Blankenship <mailto:william.blankenship@cjonline.com>, used by permission - CC BY 3.0
Mechem, Kirke
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Maine de Biran, Pierre, 1766-1824
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Felice Beato - Public Domain
Alcock, Rutherford, Sir, 1809-1897
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Botticelli, Sandro, 1444 or 1445-1510
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Mathew Brady - Public Domain
Steinway, Henry Engelhard 1797-1871
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original uploader - Public Domain
Genina, Augusto, 1892-1957
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unknown - Public Domain
Wilson, Elijah Nicholas, 1842-1915