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unknown - CC BY-SA 4.0
Yaffa Tegegne • יפה טגניה - CC BY-SA 3.0
Selon Gabby - CC BY-SA 2.0
Chiou Hsinhuei - CC BY-SA 4.0
author - Public Domain
Photo d'identité sans auteur, '''1928''' -
Pohearn - CC BY-SA 3.0
Escuela Politécnica - Public Domain
Anselm van Hulle, 1601-1674 - Public Domain
Jburlinson - CC BY-SA 3.0
Harris & Ewing - Public Domain
Kaihsu - CC BY-SA 3.0
unknown - Public Domain
Duroni, Alessandro (1807-1870) - Public Domain
Lisbeth Medbøe Risnes - CC BY-SA 4.0
John Hazlitt - Public Domain
http://1.bp.blogspot.com - Public Domain
anonymous authors of dictionary - Public Domain
:de:SpreeTom (own work) -
Cmbwilliams - CC BY-SA 3.0
Ash - CC BY-SA 3.0
Duncan Rawlinson - CC BY-SA 2.0
Claudenw - CC BY-SA 3.0
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unknown - CC BY-SA 4.0
Aucamp, Hennie
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Yaffa Tegegne • יפה טגניה - CC BY-SA 3.0
Berger, Graenum
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Franzen, Jonathan
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Lawrence, Marjorie
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Elliott, R. D. (Robert Charles Dunlop), 1884-1950.
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Hartmann, Johann, 1568-1631
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Selon Gabby - CC BY-SA 2.0
Kristel, Sylvia, 1952-2012
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Chiou Hsinhuei - CC BY-SA 4.0
Aida, Makoto, 1965-
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author - Public Domain
Bresee, Phineas F. (Phineas Franklin), 1838-1915
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Thornton, Janet M.
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Photo d'identité sans auteur, '''1928''' -
Benjamin, Walter, 1892-1940
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Rotta, Silvio Giulio
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Pohearn - CC BY-SA 3.0
Ohearn, Patrick
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Escuela Politécnica - Public Domain
Castillo Armas, Carlos, 1914-1957
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Anselm van Hulle, 1601-1674 - Public Domain
Guericke, Otto von 1602-1686
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Jburlinson - CC BY-SA 3.0
Wurdemann, Audrey, 1911-1960
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Harris & Ewing - Public Domain
Berryman, Clifford Kennedy, 1869-1949
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Kaihsu - CC BY-SA 3.0
Kelley, Robin D.G.
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unknown - Public Domain
Farnham, Roswell, 1827-1903
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Duroni, Alessandro (1807-1870) - Public Domain
Negrini, Carlo, 1826-1865
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Lisbeth Medbøe Risnes - CC BY-SA 4.0
Thommessen, Olav Anton, 1946-....
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John Hazlitt - Public Domain
Hazlitt, William, 1737-1820
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http://1.bp.blogspot.com - Public Domain
Felkin, Robert
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anonymous authors of dictionary - Public Domain
Mills, Simeon, 1810-1895
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:de:SpreeTom (own work) -
Womacka, Walter, 1925-2010
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Cmbwilliams - CC BY-SA 3.0
Watford, Gwen, 1927-1994
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Ash - CC BY-SA 3.0
Corcoran, Simon.
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Duncan Rawlinson - CC BY-SA 2.0
Jenner, Bruce, 1949-
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Claudenw - CC BY-SA 3.0
Warren, Claude N., 1932-
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Shostakovich, Maxim