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Alain Zirah - CC BY 2.0
Anonymous - National Gallery of Canada, Library and Archives, Fonds Max Stern - Public Domain
English school of the early 19th century - Public Domain
DEDB - Public Domain
U.S. Army - Public Domain
Bruce Holsapple - CC0 1.0
Cyberia3 - Public Domain
W. A. Croffut - Public Domain
Fritz Cohen - Public Domain
Francisco Zudanel (grabado), Francisco del Plano (dibujo)-Biblioteca Nacional de España - CC BY-SA 4.0
Feingoldstudio - CC BY-SA 3.0
https://www.flickr.com/photos/jmrosenfeld/ - CC BY 2.0
Family - Public Domain
Original uploader was :de:Christian Kotnik - Public Domain
user at project - CC BY-SA 3.0
Georges Biard - CC BY-SA 3.0
Konrad Jacobs, Erlangen - CC BY-SA 2.0
Rutland Historical Society (before 1923) - Public Domain
David Sose - CC BY-SA 3.0
Falk - Public Domain
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Alain Zirah - CC BY 2.0
Bruel, Patrick
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Anonymous - National Gallery of Canada, Library and Archives, Fonds Max Stern - Public Domain
Stern, Max, 1904-1987
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English school of the early 19th century - Public Domain
Bourdon, Sébastien, 1616-1671
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Purniah, 1746-1812
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Tanimoto, Kiyoshi, 1909-1986
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DEDB - Public Domain
Lear, Evelyn, 1926-2012
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U.S. Army - Public Domain
McGiffert, David E., 1926-2005
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Bruce Holsapple - CC0 1.0
Moldaw, Carol
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Cyberia3 - Public Domain
Eldredge, John, 1904-1961
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Lorentz, H.A. (Hendrik Antoon), 1853-1928
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Bone, Muirhead, Sir, 1876-1953
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W. A. Croffut - Public Domain
Field, David D. (David Dudley), 1781-1867
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Volney, C.-F. (Constantin-François), 1757-1820
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Ensenada, Zenón de Somodevilla y Bengoechea, Marqués de la, 1702-1781
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Fritz Cohen - Public Domain
Meron, Hanna, 1923-
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Bori, Lucrezia, 1887-1960
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Francisco Zudanel (grabado), Francisco del Plano (dibujo)-Biblioteca Nacional de España - CC BY-SA 4.0
Arbiol y Diez, Antonio, 1651-1726
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Feingoldstudio - CC BY-SA 3.0
Feingold, Ken, 1952-....
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https://www.flickr.com/photos/jmrosenfeld/ - CC BY 2.0
Kerr, Steve, 1965-
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Family - Public Domain
Everth, Erich, 1878-1934
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Original uploader was :de:Christian Kotnik - Public Domain
Silvestre de Sacy, A. I. (Antoine Isaac), 1758-1838
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user at project - CC BY-SA 3.0
Eysenck, H.J. (Hans Jürgen), 1916-1997
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Eastman, Max, 1883-1969
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Georges Biard - CC BY-SA 3.0
Thurman, Uma
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Konrad Jacobs, Erlangen - CC BY-SA 2.0
Zassenhaus, Hans
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Rutland Historical Society (before 1923) - Public Domain
Smith, Charles Manley, 1868-1937
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Forrest, Alexander, 1849-1901
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David Sose - CC BY-SA 3.0
Córdova-Ríos, Manuel, 1887-1978
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Wright, R. Ramsay (Robert Ramsay), 1852-1933
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Falk - Public Domain
Fischer, Emil, 1838-1914