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gdcgraphics - CC BY-SA 2.0
MoBen - CC BY 3.0
unknown - Public Domain
National Photo Company - Public Domain
Dante Gabriel Rossetti c. 1853 - Public Domain
anonymous - Public Domain
George Iles - Public Domain
Happyme22 -
Johann Balzer - Public Domain
Anonymous - Public Domain
United States Congress - Public Domain
CBS Television - Public Domain
Ash - CC BY-SA 3.0
US House of Representatives Ways and Means Committee illustration - according to source information - Public Domain
Talmoryair - CC BY-SA 3.0
Angela George - CC BY-SA 3.0
Associated Press photo. "Cincinnati Enquirer" newspaper. - Public Domain
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Lexow, Clarence, 1852-1910
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gdcgraphics - CC BY-SA 2.0
Macy, William H., 1950-....
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Mallet, Robert, 1810-1881
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MoBen - CC BY 3.0
Benayoun, M. (Maurice)
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unknown - Public Domain
Karalli, Vera Alekseevna, 1889-1972
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La Condamine, Charles-Marie de 1701-1774
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Robsion, John Marshall, 1873-1948
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Archer, Thomas, 1823-1905
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National Photo Company - Public Domain
Quayle, John Francis, 1868-1930
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Dante Gabriel Rossetti c. 1853 - Public Domain
Howitt, Anna Mary, 1824-1884
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anonymous - Public Domain
Grayson, Victor, 1881-
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Bucknill, Thomas Townsend, Sir, 1845-1915
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George Iles - Public Domain
Blanchard, Thomas, 1788-1864
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Happyme22 -
Ryan, Frederick J.
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Johann Balzer - Public Domain
Oppenheim, David ben Abraham, 1664-1736
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Anonymous - Public Domain
Driscoll, Clara, 1861-1944
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Boisguilbert, P. Le Pesant de (Pierre Le Pesant), 1646-1714
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United States Congress - Public Domain
Schock, Aaron, 1981-
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Banti, Cristiano, 1824-1904
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Glatigny, Albert, 1839-1873
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Arrau, Claudio, 1903-1991.
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CBS Television - Public Domain
Banner, John, 1910-1973
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unknown - Public Domain
Rosanes, Jakob
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unknown - Public Domain
James, M.R. (Montague Rhodes), 1862-1936
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Ash - CC BY-SA 3.0
Corcoran, Simon.
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US House of Representatives Ways and Means Committee illustration - according to source information - Public Domain
Smith, William Loughton, 1758-1812
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Talmoryair - CC BY-SA 3.0
Eilat, Abraham, 1939-
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Angela George - CC BY-SA 3.0
Winkler, Henry, 1945-....
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unknown - Public Domain
Oncken, Wilhelm, 1838-1905
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Associated Press photo. "Cincinnati Enquirer" newspaper. - Public Domain
Brann, Louis J. (Louis Jefferson), 1876-1948