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Fides11 - CC0 1.0
G. Dendry - Public Domain
JQRalph - CC BY 3.0
Luboš Motl aka Lumidek; cropped by Beyond My Ken -
George Grantham Bain Collection (Library of Congress) - Public Domain
unknown - Public Domain
Barbararz - CC0 1.0
Langerock - Public Domain
Jgg1992 - CC BY-SA 3.0
Genevieve - CC BY 2.0
anonymous - Public Domain
Congressional Portrait Collection (Library of Congress). - Public Domain
National Archives and Records Administration, identifier #12170786 (local identifier #64-NA-2352a-c) - Public Domain
Public Domain
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Fides11 - CC0 1.0
Patrizi, Constantino, 1798-1876
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G. Dendry - Public Domain
Crooks, Will, 1852-1921
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Nattier, Jean-Marc, 1685-1766
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JQRalph - CC BY 3.0
Peplowski, Ken
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Luboš Motl aka Lumidek; cropped by Beyond My Ken -
Coleman, Sidney, 1937-2007
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Taneev, Sergeĭ Ivanovich, 1856-1915
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George Grantham Bain Collection (Library of Congress) - Public Domain
Barton, Ralph, 1891-1931
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unknown - Public Domain
Chetham, Humphrey, 1580-1653
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Barbararz - CC0 1.0
Romanowiczowa, Zofia
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Philby, H. St. J. B. (Harry St. John Bridger), 1885-1960
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Langerock - Public Domain
Aurelle de Paladines, général d', 1804-1877
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Montgomery, Robert, 1904-1981
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Jgg1992 - CC BY-SA 3.0
Sánchez Mejías, Ignacio 1891-1934
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Shapira, Anita.
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Genevieve - CC BY 2.0
Morton, Joe, 1947-....
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anonymous - Public Domain
Irving, Isabel, 1871-1944
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Lemordant, Jean Julien 1882-1968
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Congressional Portrait Collection (Library of Congress). - Public Domain
Derounian, Steven B. (Steven Boghos), 1918-2007
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Black, Joe, 1924-
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Palmer, Robert, 1949-2003
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Burton, O. E. (Ormond Edward), 1893-1974
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Jorgensen, Joseph, 1844-1888
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unknown - Public Domain
Berry, S. Stillman (Samuel Stillman), 1887-1984
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unknown - Public Domain
Bramuglia, Juan Atilio, 1903-1962
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Tallents, Francis, 1619-1708
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Herschler, Ed, 1918-1990
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National Archives and Records Administration, identifier #12170786 (local identifier #64-NA-2352a-c) - Public Domain
Posner, Ernst.
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Public Domain
Shannon, Wilson, 1802-1877
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Rosmead, Hercules Robinson, Baron, 1824-1897
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unknown - Public Domain
Ernst II, Duke of Saxe-Coburg-Gotha, 1818-1893