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anonymous - Public Domain
Editor: Leslie Greenhalgh, - Public Domain
unknown - CC BY-SA 4.0
unknown - Public Domain
Unknown - Public Domain
AcademiadeMedicina - CC BY-SA 4.0
Public Domain
Bain News Service, publisher - Public Domain
L.S. Slevin - Public Domain
Kyra Petrovskaya Wayne -
Anonyme (studio) - Public Domain
John Slattery (fl. 1850s) - Public Domain
Gorupdebesanez - CC BY-SA 3.0
Stephencdickson - CC BY-SA 3.0
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anonymous - Public Domain
Davies, Walford, 1869-1941
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Editor: Leslie Greenhalgh, - Public Domain
Perry, L. Tom, 1922-
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Alberts, Bruce.
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unknown - CC BY-SA 4.0
Skouen, Arne, 1913-
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Mills, Darius O. (Darius Ogden), 1825-1910
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Niox, G. (Gustave), 1840-1921
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unknown - Public Domain
Wadsworth, James, 1768-1844
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Unknown - Public Domain
Harrelson, J. W. (John William), 1885-1955
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AcademiadeMedicina - CC BY-SA 4.0
Anthony, E. James (Elwyn James), 1916-
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Michaelis, Adolf, 1835-1910
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Miyagi, Michio
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Public Domain
Clarke, Alured, Sir, 1744 or 1745-1832
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Bain News Service, publisher - Public Domain
Dodge, Henry Percival, 1870-1936
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L.S. Slevin - Public Domain
Maybeck, Bernard R.
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Westergaard, Harald, 1853-1936
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Kyra Petrovskaya Wayne -
Wayne, Kyra Petrovskaya
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Boyens, Philippa.
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Purnell, Fred S. (Fred Sampson), 1882-1939
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unknown - Public Domain
Cos, Martín Perfecto de, 1800-1854
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Anonyme (studio) - Public Domain
Gaubert, Philippe, 1879-1941
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Sarid, Yossi, 1940-
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unknown - Public Domain
Zeevy, Rechavam, 1926-2001
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Townshend, Charles Vere Ferrers, Sir, 1861-1924
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unknown - Public Domain
Thou, François de, 1607-1642
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John Slattery (fl. 1850s) - Public Domain
Carleton, William, 1794-1869
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unknown - Public Domain
Robinson, Benjamin Lincoln, 1864-1935
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Gorupdebesanez - CC BY-SA 3.0
Stirling, James (James Frazer)
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Bigsby, C. W. E.
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Boeri, Cini
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Stephencdickson - CC BY-SA 3.0
Macculloch, Horatio, 1805-1867