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George Perfect Harding (1781-1853) - Public Domain
Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
unknown - Public Domain
James L. Bowen - Public Domain
Anitsch - CC BY-SA 4.0
Jtell - CC BY-SA 3.0
By Lewis Clinton Strang - Public Domain
René Patrice Dagron Prudent (1819-1900) - Public Domain
Carl Lender - CC BY-SA 3.0
Unknown author - Public Domain
Adrien Barrère - Public Domain
unknown - CC BY 4.0
Eng Omer Akram - CC BY-SA 4.0
American Press Association - Public Domain
Adolphe Lalauze - Public Domain
Veni - CC BY 2.0
anonymous - Public Domain
Civil War glass negative collection (Library of Congress). - Public Domain
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George Perfect Harding (1781-1853) - Public Domain
Godolphin, Henry, 1648-1733
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Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
Prokesch von Osten, Anton, Graf, 1795-1876
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unknown - Public Domain
Alexander, W. D. (William De Witt), 1833-1913
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James L. Bowen - Public Domain
Chamberlain, Samuel E. (Samuel Emery), 1829-1908
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Anitsch - CC BY-SA 4.0
Kennedy, Myles, 1969-
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Jtell - CC BY-SA 3.0
Houbart, François-Henri
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Sagan, Carl, 1934-1996
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By Lewis Clinton Strang - Public Domain
Earle, Virginia, 1875-1937
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René Patrice Dagron Prudent (1819-1900) - Public Domain
Durand-Brager, 1814-1879
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unknown - Public Domain
Dewar, James, 1842-1923
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Oldknow, Samuel 1756-1828
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Carl Lender - CC BY-SA 3.0
Allison, Luther, 1939-1997
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Adair, E. Ross (Edwin Ross), 1907-1983
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Cabot, Godfrey L. (Godfrey Lowell), 1861-1962
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Bloch, Robert, 1917-1994
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Unknown author - Public Domain
Pelletier, Marie de Sainte Euphrasie, Saint, 1796-1868
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Adrien Barrère - Public Domain
Mayol, 1872-1941
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unknown - CC BY 4.0
Clouston, T. S. (Thomas Smith), 1840-1915
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Eng Omer Akram - CC BY-SA 4.0
Khadduri, Majid, 1908-....
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Alden, Henry Mills, 1836-1919
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Bedford, Francis Russell, Duke of, 1765-1802
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American Press Association - Public Domain
Bankhead, John Hollis, 1842-1920
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Adolphe Lalauze - Public Domain
Frémiet, Emmanuel, 1824-1910
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Veni - CC BY 2.0
Winger, Debra, 1955-
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Bartholomew, of San Concordio, 1262-1347
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Gordin, Jacob, 1853-1909
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anonymous - Public Domain
Rosewater, Victor, 1871-1940
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Civil War glass negative collection (Library of Congress). - Public Domain
Richardson, Israel Bush, 1815-1862
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unknown - Public Domain
Preston, John Smith, 1809-1881
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Jencks, Clinton E., 1918-2005