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Félix Nadar - Public Domain
user at project - Public Domain
Associated Students, University of California, Los Angeles - Public Domain
Josef Maria Grassi - Public Domain
NASA - Public Domain
Filson Historical Society - Public Domain
Motoori Norinaga - Public Domain
unknown -
Christoph Gottlob Glymann - Public Domain
Jean-Baptiste-Adolphe Lafosse - Public Domain
Roferbia - CC BY-SA 4.0
original uploader - Public Domain
Wenzl Weis - Public Domain
Unknown, taken from old photo - Public Domain
J.W. Wilder - Public Domain
Unknown - Public Domain
New York Public Library from a photograph by Underwood & Underwood, New York. [http://digitalgallery.nypl.org/nypldigital/dgdisplaylargemeta.cfm?strucID=134938&imageID=97363&word=Harry%20Emerson%20Fosdick&s=1¬word=&d=&c=&f=&lWord=&lField=&sScope=&sLevel=&sLabel=&num=0&imgs=12&total=1&pos=1] - Public Domain
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Gardner, Samuel, 1891-1984
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Heine, Gustav, 1812-1866
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Garbo, Greta, 1905-1990
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Félix Nadar - Public Domain
Niboyet, Eugènie 1797-1883
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Burns, R. Nicholas, 1956-
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Hester, Joy, 1920-1960
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user at project - Public Domain
Chance, Michael
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Associated Students, University of California, Los Angeles - Public Domain
Cressey, Donald R. (Donald Ray), 1919-1987
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Josef Maria Grassi - Public Domain
Poniatowski, Józef Antoni, ksiaze, 1763-1813
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NASA - Public Domain
Ceruzzi, Paul E.
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Smith, Jonathan Bayard, 1742-1812
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Filson Historical Society - Public Domain
Speed, Joshua F. (Joshua Fry), 1814-1882
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Motoori Norinaga - Public Domain
Motoori, Norinaga, 1730-1801
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unknown -
Peirats, José
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Bowler, Phil
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Christoph Gottlob Glymann - Public Domain
Böhme, Jakob, 1575-1624
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Jean-Baptiste-Adolphe Lafosse - Public Domain
Schnetz, Jean-Victor, 1787-1870
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Roferbia - CC BY-SA 4.0
Simpson, Mona
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original uploader - Public Domain
Idriess, Ion L. (Ion Llewellyn), 1890-1979
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Rogers, John, 1572?-1636
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Hatcher, Robert Anthony, 1819-1886
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Robinson, J. Russel
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Wenzl Weis - Public Domain
Lefler, Heinrich, 1863-1919
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Haigh, John George, 1909-1949
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Frayssinous, D. (Denis), 1765-1841
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Unknown, taken from old photo - Public Domain
Russell, William Hepburn, 1812-1872
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J.W. Wilder - Public Domain
Blackall, S. W. (Samuel Wensley), 1809-1871
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Harrison, Leland, 1883-1951
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Unknown - Public Domain
Arana Castro, Francisco Javier, -1949
Image from Wikimedia Commons
New York Public Library from a photograph by Underwood & Underwood, New York. [http://digitalgallery.nypl.org/nypldigital/dgdisplaylargemeta.cfm?strucID=134938&imageID=97363&word=Harry%20Emerson%20Fosdick&s=1¬word=&d=&c=&f=&lWord=&lField=&sScope=&sLevel=&sLabel=&num=0&imgs=12&total=1&pos=1] - Public Domain
Fosdick, Harry Emerson, 1878-1969