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author - Public Domain
Tony1 - CC BY-SA 4.0
Karel Maixner (1840 - 1881) - Public Domain
Sooze1129 - CC BY-SA 4.0
Alfred Bischoff - Public Domain
Nv8200p - CC BY-SA 3.0
Tom Marcello - CC BY-SA 2.0
unknown - Public Domain
Robert Duddingstone Herdman - Public Domain
William R. Shepherd - Public Domain
Škuc LL -
ALICERIPLEY - CC BY-SA 3.0
Boungawa - CC BY-SA 4.0
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Hirst, Thomas Archer, 1830-1892
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Crerar, Henry Duncan Graham, 1888-1965
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author - Public Domain
Meredyth, Bess
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Tony1 - CC BY-SA 4.0
Halliday, M.A.K. (Michael Alexander Kirkwood), 1925-
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McEttrick, Michael J. (Michael Joseph), 1848-1921
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Müller, Johannes von, 1752-1809
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Falconer, William, 1732-1769
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Montaigne, Michel de, 1533-1592
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Dwight, John Sullivan, 1813-1893
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Karel Maixner (1840 - 1881) - Public Domain
Sabina, Karel, 1813-1877
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Sooze1129 - CC BY-SA 4.0
Chaffee, Emory Leon
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Hensel, Paul Hugo Wilhelm, 1860-1930
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Alfred Bischoff - Public Domain
Diederichs, Eugen, 1867-1930
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Nv8200p - CC BY-SA 3.0
Applegate, Katherine
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Tom Marcello - CC BY-SA 2.0
Pass, Joe, 1929-1994
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Mayow, John, 1641-1679
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Hernández, Rafael, 1891-1965
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unknown - Public Domain
Bell, Robert, 1841-1917
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Pegler, J. Westbrook (James Westbrook), 1894-1969
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Strindberg, August, 1849-1912
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Robert Duddingstone Herdman - Public Domain
Tuke, J. Batty (John Batty), Sir, 1835-1913
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William R. Shepherd - Public Domain
Giovanni, da Pian del Carpine, Archbishop of Antivari, -1252
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Harding, Lyn
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Škuc LL -
Nestle, Joan, 1940-....
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unknown - Public Domain
Talât Paşa 1874-1921
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ALICERIPLEY - CC BY-SA 3.0
Ripley, Alice
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Boungawa - CC BY-SA 4.0
Clements, Ron
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unknown - Public Domain
Havet, Louis, 1849-1925
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Leighton, Robert, 1611-1684
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Green, Janet-Laine