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Harcourt - CC BY 4.0
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unknown - Public Domain
Robert L. Knudsen - Public Domain
Peter Minorsky, grandson of Nicolas Minorsky - CC BY-SA 1.0
Jonnmann -
X-PRIZE - CC BY 2.0
"From an engraving by Henry Meyer, after Samuel Woodforde", p. xxiii. Meyer died in 1847. - Public Domain
Fotograf Stein - Public Domain
Contact '97 - CC BY 3.0
MiamiFilmFestival - CC BY-SA 2.0
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Onemore - CC BY 3.0
Sheridan, Tony
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Harry Pot:w:Anefo - CC BY 4.0
Kay, Connie
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Anton Günther, Count of Oldenburg, 1583-1667
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Walras, Léon, 1834-1910
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Milam, Benjamin Rush, 1788-1835
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Harcourt - CC BY 4.0
Joliot-Curie, Irène, 1897-1956
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Public Domain
Hobson, Edward Henry, 1825-1901
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Minapolo - CC BY-SA 4.0
Suro, Dario
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MikaV - CC BY-SA 4.0
D.J. Jazzy Jeff
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Guthrie, Woody, 1912-1967
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Waldmüller, Ferdinand Georg, 1793-1865
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unknown - Public Domain
Wyatt, Wendell
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Robert L. Knudsen - Public Domain
Bailey, John M. (John Moran), 1904-1975
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unknown - Public Domain
Baraga, Frederic, 1797-1868
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Viotti, Giovanni-Battista 1755-1824
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Peter Minorsky, grandson of Nicolas Minorsky - CC BY-SA 1.0
Minorsky, Nicolai, 1885-1970
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Morris, Garrett, 1937-
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Anderson, Alexander, 1845-1909
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Jonnmann -
August, Bille, 1948-....
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X-PRIZE - CC BY 2.0
Brooks, Avery
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Eckart, Dennis E.
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Iman, 1955-...
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Cuyler, Kiki, 1898-1950
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Christians, Mady
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"From an engraving by Henry Meyer, after Samuel Woodforde", p. xxiii. Meyer died in 1847. - Public Domain
Maitland, Frederick Lewis, 1777-1839
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Butterworth, Benjamin, 1837-1898
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Fotograf Stein - Public Domain
Katzer, Fried. X. (Friedrich Xaver), 1844-1903
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Contact '97 - CC BY 3.0
Griffiths, David, 1950-
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MiamiFilmFestival - CC BY-SA 2.0
Ward, Anita, 1956-
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Baynes, T. Spencer (Thomas Spencer), 1823-1887