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Pittsburgh Post-Gazette - Public Domain
Luis Segovia - CC BY-SA 3.0
Prolineserver -
unknown photographer - Public Domain
Adam palin - CC BY-SA 3.0
Alan Light - CC BY 2.0
unidentified artist - Public Domain
:he:משתמש:מיכאלי - CC BY-SA 3.0
unknown - Public Domain
Henry Howe - Public Domain
anonymous - Public Domain
J. Dörfler (1906 - 1907) Botaniker Porträts - Public Domain
James Thompson - CC BY 2.0
Vincent Roche - CC BY-SA 2.0
Public Domain
original uploader - CC BY-SA 2.5
Unknown but probably active in mid-to-late 19th century. - Public Domain
CBS Television - Public Domain
Elen Nivrae - CC BY 2.0
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Pittsburgh Post-Gazette - Public Domain
Osterling, F. J., 1865-1934
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Luis Segovia - CC BY-SA 3.0
Baynes, Pauline
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Prolineserver -
Slichter, Charles P.
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unknown photographer - Public Domain
Rivel, Charlie, 1896-1983
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Adam palin - CC BY-SA 3.0
Segal, Erich, 1937-2010
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Talbot, Charles Talbot, Baron, 1685-1737
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Alan Light - CC BY 2.0
Ackerman, Forrest J.
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unidentified artist - Public Domain
Elliott, Stephen, 1771-1830
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Dickinson, W. Howship (William Howship), 1832-1913
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Born, Max, 1882-1970
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Catlin, George, 1796-1872
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:he:משתמש:מיכאלי - CC BY-SA 3.0
Yosef, Ovadia
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unknown - Public Domain
Read, John Meredith, 1837-1896
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Wright, Keith L. T.
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Henry Howe - Public Domain
Mansfield, Jared, 1759-1830
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Symington, Stuart, 1901-1988
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anonymous - Public Domain
Paray, Paul, 1886-1979
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J. Dörfler (1906 - 1907) Botaniker Porträts - Public Domain
Fries, Theodor Magnus, 1832-1913
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James Thompson - CC BY 2.0
Dever, Mark
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Le Moyne, Sarah Cowell, 1859-1915
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Le Brun, Charles, 1619-1690
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Jackson, Henry M. (Henry Martin), 1912-1983
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Vincent Roche - CC BY-SA 2.0
Sisley, Tomer, 1974-....
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Public Domain
Wright, Joseph A. (Joseph Albert), 1810-1867
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original uploader - CC BY-SA 2.5
Betancourt, John
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unknown - Public Domain
Patrick, Ruth, 1907-2013
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Unknown but probably active in mid-to-late 19th century. - Public Domain
Ball, James Presley, 1825-1904
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Hemmerde, Edward G. (Edward George), 1871-
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CBS Television - Public Domain
Bologna, Joseph
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Elen Nivrae - CC BY 2.0
Fincher, David