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anonymous -
unknown - Public Domain
No consta -
Howard Coster -
James Sayers after 1800 & by and published by John Raphael Smith, after Mather Brown - Public Domain
Jac. de Nijs / Anefo - CC BY-SA 3.0
US Senate - Public Domain
New York World-Telegram and the Sun staff photographer: Orlando Fernandez - Public Domain
Norman Macbeth - Public Domain
Marianne von Werefkin - Public Domain
Olympe Aguado - Public Domain
Erling Mandelmann - CC BY-SA 3.0
Katie (dizrythmia) - CC BY-SA 2.0
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Basili, Francesco
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Cruikshank, Sally
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Benson, E.F. (Edward Frederic), 1867-1940
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Hagn, Charlotte von 1809-1891
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anonymous -
Katterfelto, Gustavus, -1799
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Blake, Joaquín, 1759-1827
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unknown - Public Domain
Kinney, Abbot, 1850-1920
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Williams, Anna, 1706-1783
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Pratt, William Veazie, 1869-1957
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No consta -
Barriobero y Herrán, E. (Eduardo), 1875-1939
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Howard Coster -
Beveridge, William Henry Beveridge, baron, 1879-1963
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Trescot, William Henry, 1822-1898
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unknown - Public Domain
Brown, Thomas, 1785-1867
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unknown - Public Domain
James, R. (Robert), 1703?-1776
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James Sayers after 1800 & by and published by John Raphael Smith, after Mather Brown - Public Domain
Bannister, Charles, 1741-1804
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Jac. de Nijs / Anefo - CC BY-SA 3.0
Heyting, A. (Arend), 1898-
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Medeiros, Humberto Sousa, 1915-
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Basilius Valentinus
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Sengstacke, John Herman Henry, 1912-1997
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unknown - Public Domain
Osóbka-Morawski, Edward
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US Senate - Public Domain
Deconcini, Dennis
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New York World-Telegram and the Sun staff photographer: Orlando Fernandez - Public Domain
Van Doren, Charles Lincoln, 1926-....
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Delacour, Jean, 1890-1985
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Norman Macbeth - Public Domain
White, Adam, 1817-1879
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Marianne von Werefkin - Public Domain
Werefkin, Marianne, 1860-1938
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Olympe Aguado - Public Domain
Aguado, Olympe, 1827-1894
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Erling Mandelmann - CC BY-SA 3.0
Loetscher, Hugo, 1929-2009
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Cadbury, George, 1839-1922
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Katie (dizrythmia) - CC BY-SA 2.0
Morris, Stephen D., 1957-....
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Cobain, Kurt, 1967-1994