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Omaislam - CC BY-SA 4.0
unknown - Public Domain
Soviet Union - KGB - Public Domain
unknown -
Franklin Fernandez - CC BY 3.0
Bilby - CC BY-SA 3.0
:en:United States Department of Justice -
USHMM, courtesy of Hedwig Wachenheimer Epstein - Public Domain
*:File:Kossel,_Albrecht_(1853-1927).jpg - Public Domain
Photoplay magazine - Public Domain
Internet Archive Book Images -
Pieterpad - CC BY-SA 4.0
Carl Breitbach (1833–1904) - Public Domain
Salim Lamrani - CC BY-SA 4.0
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Omaislam - CC BY-SA 4.0
Ibn Qayyim al-Jawzīyah, Muḥammad ibn Abī Bakr, 1292-1350
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unknown - Public Domain
Binney, Thomas, 1798-1874
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Sinclair, William Macdonald, 1850-1917
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Soviet Union - KGB - Public Domain
Deriabin, Peter, 1921-....
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Mier y Teran, Manuel de
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unknown -
Clark, Alson Skinner, 1876-1949
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unknown - Public Domain
Campenon, M. (François Nicolas Vincent), 1772-1843
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Franklin Fernandez - CC BY 3.0
Brossa, Joan
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Cormon, Fernand, 1845-1924
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unknown - Public Domain
Falconer, Lanoe, 1848-1908
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Peterson, Dorothy, 1897-1979
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Friedrich, Caspar David, 1774-1840
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Bilby - CC BY-SA 3.0
Rene, Roy, 1892-1954
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Magnasco, Alessandro, 1667?-1749?
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:en:United States Department of Justice -
Sobeloff, Simon Ernest, 1894-1973
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USHMM, courtesy of Hedwig Wachenheimer Epstein - Public Domain
Brandt, Rudolf, 1909-1948
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*:File:Kossel,_Albrecht_(1853-1927).jpg - Public Domain
Kossel, A. (Albrecht), 1853-1927
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Photoplay magazine - Public Domain
Key, Kathleen, 1903-1954
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Internet Archive Book Images -
Drake, Daniel, 1785-1852
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Jin, Ha, 1956-
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Planché, J. R. (James Robinson), 1796-1880
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Pieterpad - CC BY-SA 4.0
Leedy, Douglas
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Pratt, E. H. (Edwin Hartley), 1849-1930
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Holburne, Francis, 1704-1771
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Carl Breitbach (1833–1904) - Public Domain
Fontane, Theodor, 1819-1898
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Post, Frans Jansz, 1612?-1680
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Salim Lamrani - CC BY-SA 4.0
Miles, Robert, 1969-
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unknown -
Roach, John, 1813-1887
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Wensleydale, James Parke, Baron, 1782-1868
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Davidson, Nancy, 1943-