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User Gareth E Kegg - Public Domain
Aleks - CC BY-SA 3.0
Bain News Service, publisher. - Public Domain
ITA-International Talent Associates - Public Domain
Harris & Ewing - Public Domain
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MacRusgail - Public Domain
user at project - CC BY 2.5
Konrad Jacobs - CC BY-SA 2.0
Mathew Brady Levin Corot Handy - Public Domain
Aelred797 - CC BY-SA 3.0
not verifiable<br/> - Public Domain
Public Domain
Nathaniel Hone - Public Domain
8podi - CC BY-SA 3.0
US Government Printing Office - Public Domain
Reginald gray - Public Domain
W. & D. Downey - Public Domain
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User Gareth E Kegg - Public Domain
Boulle, André-Charles, 1642-1732
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Aleks - CC BY-SA 3.0
Pelt, Jean-Marie, 1933-....
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Bain News Service, publisher. - Public Domain
Van Devanter, Willis, 1859-1941
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ITA-International Talent Associates - Public Domain
Travers, Mary, 1936-2009
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Bennion, Harden, 1862-
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Harris & Ewing - Public Domain
Grew, Joseph C. (Joseph Clark), 1880-1965
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Shabbetai ben Meir, ha-Kohen, 1621-1662
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original uploader - Public Domain
Davis, George, 1820-1896
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Aramburu, Pedro Eugenio, 1903-1970
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MacRusgail - Public Domain
Lyon, John, 1803-1889
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user at project - CC BY 2.5
Liscano, Juan, 1915-....
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Konrad Jacobs - CC BY-SA 2.0
Niven, Ivan, 1915-1999
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Black, Jeremiah S. (Jeremiah Sullivan), 1810-1883
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Callaghan, James, 1912-2005
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Mathew Brady Levin Corot Handy - Public Domain
Osborn, Thomas Ward, 1833-1898
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Brown, Mordecai
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original uploader - Public Domain
Melville, Andrew, 1545-1622
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Crum, Dick
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Aelred797 - CC BY-SA 3.0
Varlet, Dominique-Marie, 1678-1742
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not verifiable<br/> - Public Domain
Jaekel, Otto
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Lutherus, Paulus, 1533-1593
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Public Domain
Carl, Marion E., 1915-
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Konrad Jacobs - CC BY-SA 2.0
Hasse, Helmut, 1898-1979
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Heaton, J. Henniker
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Nathaniel Hone - Public Domain
Fisher, Kitty, 1741?-1767
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8podi - CC BY-SA 3.0
Padel, Ruth, 1946-....
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Unamuno, Miguel de 1864-1936
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US Government Printing Office - Public Domain
Reinecke, Ed, 1924-
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Reginald gray - Public Domain
Giacometti, Alberto, 1901-1966
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W. & D. Downey - Public Domain
Ayrton, W. E. (William Edward), 1847-1908