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unknown - Public Domain
Totorvdr59 - CC BY-SA 4.0
Henk Lindeboom / Anefo -
New York World-Telegram and the Sun staff photographer: Al Ravenna - Public Domain
John Payne - Public Domain
pseudonymous (Adolf Eckstein's Verlag) - Public Domain
T.W. Smillie - Public Domain
Internet Archive Book Images -
user at project - Public Domain
Nicholas Hilliard - Public Domain
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Gutherz, Carl, 1844-1907
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Peel, Arthur Wellesley Peel, Viscount, 1829-1912
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Turner, Matthew 1825-1909
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Murie, Olaus Johan, 1889-1963
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Marshman, John Clark, 1794-1877
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unknown - Public Domain
Pregelj, Marij, 1913-1967
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Darby, John Fletcher, 1803-1882
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unknown - Public Domain
Govan, Daniel Chevilette, 1829-1911
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Barré, Isaac, 1726-1802
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Burnquist, J. A. A. (Joseph Alfred Arner), 1879-1961
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Totorvdr59 - CC BY-SA 4.0
Teste, François-Antoine, 1775-1862
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Waite, Morrison R. (Morrison Remick), 1816-1888
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Henk Lindeboom / Anefo -
Fresson, Bernard, 1931-2002
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Parker, Joseph, 1830-1902
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New York World-Telegram and the Sun staff photographer: Al Ravenna - Public Domain
Hill, Herbert, 1924-2004
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John Payne - Public Domain
Payne, John ca. 1607-ca. 1647
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Gurney, Joseph-John, 1788-1847
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pseudonymous (Adolf Eckstein's Verlag) - Public Domain
Fraenkel, Eugen, 1853-1925
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Marceau, Marcel
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unknown - Public Domain
Cartwright, William, 1611-1643
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unknown - Public Domain
Rajniss, Ferenc, 1893-1946
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T.W. Smillie - Public Domain
Pelz, Paul J., 1841-1918
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Cartan, Henri, 1904-2008
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Internet Archive Book Images -
Emerson, Isaac E. (Isaac Edward), 1859-1931
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user at project - Public Domain
McLennan, Scotty
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Judah, Theodore D. (Theodore Dehone), 1826-1863
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Ginzburg, Carlo
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Nicholas Hilliard - Public Domain
Hunsdon, George Carey, Baron, 1547-1603
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Tennyson, Emily Sellwood Tennyson, Baroness, 1813-1896
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Alfvén, Hannes, 1908-1995