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John Jewell Penstone, published by W. Swan Sonnenschien & Co, Alfred Edward Chalon - Public Domain
Public Domain
William Dobson? (engraved by scheneker) - Public Domain
unknown - Public Domain
Godefroy Engelmann (1788-1839) after Pierre-Roch Vigneron (1789-1872) - Public Domain
Contemporary photograph - Public Domain
:de:Emil Stumpp - Public Domain
NASA - Public Domain
Breadlipke - CC BY-SA 4.0
Webb, William Larkin - Public Domain
Godfried Schalcken -
United Artists - Public Domain
unknown - CC BY 3.0
Image from Wikimedia Commons
John Jewell Penstone, published by W. Swan Sonnenschien & Co, Alfred Edward Chalon - Public Domain
Lytton, Rosina Bulwer Lytton, baroness, 1802-1882
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Shudi, Burkat, 1702-1773
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Public Domain
Doherty, Charles Joseph, 1855-1931
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Leslau, Wolf
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William Dobson? (engraved by scheneker) - Public Domain
Oldham, John, 1653-1683
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unknown - Public Domain
Refice, Licínio, 1883-1954
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Laroon, Marcellus, 1653-1702
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Marshall, William, 1749-1833
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Godefroy Engelmann (1788-1839) after Pierre-Roch Vigneron (1789-1872) - Public Domain
Bichat, Xavier, 1771-1802
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Fraunhofer, Joseph von 1787-1826
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unknown - Public Domain
Adams, Henry C. (Henry Carter), 1851-1921
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Contemporary photograph - Public Domain
Hopkins, John Henry, 1792-1868
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unknown - Public Domain
Howard, Robert E. (Robert Ervin), 1906-1936
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unknown - Public Domain
Palma, J. J. (José Joaquín), 1844-1911
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unknown - Public Domain
Mallowan, M. E. L. (Max Edgar Lucien)
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:de:Emil Stumpp - Public Domain
Halt, Karl, Ritter von, 1891-1964
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Stevenson, Adlai E. (Adlai Ewing), III, 1930-2021
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NASA - Public Domain
White, Edward Higgins, II, 1930-1967
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Jackson, Samuel L.
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Breadlipke - CC BY-SA 4.0
Wood, Brian, 1948-
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Bartram, John, 1699-1777
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Webb, William Larkin - Public Domain
See, T. J. J. (Thomas Jefferson Jackson), 1866-
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Ader, Clément, 1841-1925
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Godfried Schalcken -
Schalcken, Godfried, 1643-1706
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United Artists - Public Domain
Towers, Constance
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Mackarness, John Fielder, 1820-1889
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Harte, Betty, 1883-1965
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McCall, Peter, 1809-1880
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Dannenberg, Konrad 1912-2009
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unknown - CC BY 3.0
Lippi-Green, Rosina