Image from Wikimedia Commons
unknown photographer circa 1915 - Public Domain
Raymond/author -
Public Domain
Sciacchitano - CC BY-SA 3.0
H. Wyatt - Public Domain
Engraving by S. Freeman from a painting by D. Martin - Public Domain
Smithsonian Institution -
photographer unknown, retouched by MarmadukePercy - Public Domain
Nina - Public Domain
unknown - Public Domain
Shepdawggz - CC BY-SA 3.0
unknown -
Image from Wikimedia Commons
Grossmith, George, 1847-1912
Image from Wikimedia Commons
Barrett, Nathan Franklin
Image from Wikimedia Commons
unknown photographer circa 1915 - Public Domain
Veblen, Oswald, 1880-1960
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Isherwood, B. F. (Benjamin Franklin), 1822-1915
Image from Wikimedia Commons
Bovill, William, Sir, 1814-1873
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Shoemaker, E. M. (Eugene Merle), 1928-1997
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Majorelle, Louis, 1859-1926
Image from Wikimedia Commons
Raymond/author -
Aust, Stefan
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Public Domain
Neraz, John Claudius, 1828-1894
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Boece, Hector, 1465?-1536
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Rees, G. O. (George Owen), 1813-1889
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Hirszfeld, Ludwik, 1884-1954
Image from Wikimedia Commons
Sciacchitano - CC BY-SA 3.0
Whitehouse, C. S. (Charles Sheldon), 1921-2001
Image from Wikimedia Commons
H. Wyatt - Public Domain
Harrison, Thomas, 1744-1829
Image from Wikimedia Commons
Engraving by S. Freeman from a painting by D. Martin - Public Domain
Bruce, James, 1730-1794
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Smithsonian Institution -
Carlsen, Emil, 1853-1932
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Public Domain
Mulford, David C.
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photographer unknown, retouched by MarmadukePercy - Public Domain
Leavitt, Dudley, 1830-1908
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Sparks, Ned, 1883-1957
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Nina - Public Domain
Spada, Pietro, 1935-
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Hemingway, Gerry
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unknown - Public Domain
Coalter, John, 1769-1838
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Caullery, Maurice, 1868-1958
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Hertzog, James Barry Munnik, 1866-1942
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Bacon, Mark R. (Mark Reeves), 1852-1941
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Shepdawggz - CC BY-SA 3.0
Young, H. Edwin, 1936-
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López de Ayala, Adelardo, 1828-1879
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Lucas, Robert, 1781-1853
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unknown -
Campanella, Juan José
Image from Wikimedia Commons
Heuss, Theodor, 1884-1963