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Unknown or not provided - Public Domain
unknown - Public Domain
Justus Sustermans - Public Domain
Carl Van Vechten - Public Domain
Adolphe Lalauze (1838-1906) - CC BY-SA 3.0
Nathaniel Livermore Stebbins - Public Domain
University of Minnesota Alumni Association - CC BY-SA 4.0
Jrkruk - CC BY-SA 3.0
Public Domain
Harris & Ewing - Public Domain
original uploader - Public Domain
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Forbes, W. A. (William Alexander), 1855-1883
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Gilbert, Ashurst Turner, 1786-1870
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Unknown or not provided - Public Domain
Deng, Xiaoping, 1904-1997
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Bucke, Richard Maurice, 1837-1902
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Desvallières, George, 1861-1950
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Tobin, Maurice J.
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unknown - Public Domain
Williams, Clara, 1891-1928
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Justus Sustermans - Public Domain
Vittoria, Grand Duchess, consort of Ferdinando II, Grand-Duke of Tuscany, 1622-1694
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Ohm, Martin, 1792-1872
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Carl Van Vechten - Public Domain
Ailey, Alvin, 1931-1989
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Jones, Thomas Wharton, 1808-1891
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González, Agustín, 1930-
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Clarke, Warren, 1947-...
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Metcalfe, Thomas, 1780-1855
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LaRocco, Larry, 1946-
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Adolphe Lalauze (1838-1906) - CC BY-SA 3.0
Vicaire, Gabriel, 1848-1900
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Innocent XI, Pope, 1611-1689
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Greene, William, 1696-1758
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Fison, Lorimer, 1832-1907
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Nathaniel Livermore Stebbins - Public Domain
Boston Symphony Orchestra
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Blau, Tina, 1845-1916
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Lewes, George Henry, 1817-1878
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University of Minnesota Alumni Association - CC BY-SA 4.0
Sibley, Mulford Quickert
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Jrkruk - CC BY-SA 3.0
Paleczny, Piotr
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Mirbeau, Octave, 1848-1917
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Public Domain
Marrast, Armand, 1801-1852
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Harris & Ewing - Public Domain
Clark, Austin Hobart, 1880-1954
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Yost, Graham.
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original uploader - Public Domain
Sweatnam, Willis P. (Willis Palmer), 1854-1930
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unknown - Public Domain
Nuorteva, Santeri, 1881-1929