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Public Domain
Giuseppe Macpherson - Public Domain
artwork: unknown (following Paul Ernst Gebauer); file Jdsteakley - Public Domain
Anonymous - Public Domain
unknown - Public Domain
Chest7 - CC BY 3.0
Oxford Clinical Trials Research Unit - CC BY-SA 4.0
C. H. Richer - Public Domain
Jean-François Portaels - Public Domain
Jean-Sébastien Rouillard - Public Domain
James Haynes, author. Omaha Printing Company, publisher. - Public Domain
User at project link - Public Domain
Timtempleton - CC BY 3.0
J a1 - CC BY-SA 3.0
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Eu, Tong Sen, 1877-1941
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Zille, Heinrich, 1858-1929
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Public Domain
Randolph, Jennings, 1902-1998
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Lewis, Juliette
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Bondar, Roberta, 1945-
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Bennet, William S. (William Stiles), 1870-1962
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Giuseppe Macpherson - Public Domain
Curradi, Francesco, 1570-1661
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artwork: unknown (following Paul Ernst Gebauer); file Jdsteakley - Public Domain
Blücher, Gebhard Leberecht von, 1742-1819
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Anonymous - Public Domain
Holland, Samuel, 1728-1801
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Fresnay, Pierre, 1897-1975
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unknown - Public Domain
Rix Nicholas, Hilda, 1884-1961
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Alessandri Besa, Arturo, 1923-
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Devers, Jacob L. (Jacob Loucks), 1887-1979
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Bequaert, Joseph C. (Joseph Charles), 1886-1982
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Chest7 - CC BY 3.0
Atchugarry, Pablo, 1954-....
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Oxford Clinical Trials Research Unit - CC BY-SA 4.0
Altman, Douglas G.
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C. H. Richer - Public Domain
Simonds, Guy Granville, 1903-1974
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Park, William Hallock, 1863-1939
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Aschheim, Isidor, 1891-1968
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Jean-François Portaels - Public Domain
Déroulède, Paul, 1846-1914
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Jean-Sébastien Rouillard - Public Domain
Milbert, Jacques-Gérard, 1766-1840
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unknown - Public Domain
Kenton, Simon, 1755-1836
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James Haynes, author. Omaha Printing Company, publisher. - Public Domain
De la Matyr, Gilbert, 1825-1892
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Junius, Franciscus, 1589-1677
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User at project link - Public Domain
Emmer, Luciano
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Salcedo, Doris, 1958-....
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Timtempleton - CC BY 3.0
McGill, Ralph, 1898-1969
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J a1 - CC BY-SA 3.0
Davis, Steve, 1957-
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Dresser, Horatio W. (Horatio Willis), 1866-
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unknown - Public Domain
Lincoln, Thomas, 1778-1851