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unknown - Public Domain
Jmontbarron - CC BY-SA 4.0
Gage Skidmore - CC BY-SA 3.0
Professor Bop - CC BY 2.0
Bob Howe-public relations; photographer-James Kriegsmann, New York - Public Domain
Jamiespilsbury -
Solomon Joseph Solomon - Public Domain
Agence photographique de la Réunion des Musées Nationaux. - Public Domain
United States Library of Congress - Public Domain
Elaine B. Mitchell (editor) - Public Domain
Tatehuari el 24 de Abril de 2007 - Public Domain
Gleason's - Public Domain
[or A. Fuhn (compare [http://www.allposters.com/-sp/Antoine-Louis-Clapisson-Posters_i1864670_.htm - Public Domain
CBS Television - Public Domain
Imogen Cunningham -
original uploader -
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unknown - Public Domain
Satterlee, Walter, 1844-1908
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Johnson, George, 1818-1896
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Jmontbarron - CC BY-SA 4.0
Barron, Jeannette Montgomery, 1956-
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Rammelsberg, C. F., 1813-1899
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Gage Skidmore - CC BY-SA 3.0
Kudlow, Lawrence
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Professor Bop - CC BY 2.0
Hamilton, Chico, 1921-2013
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unknown - Public Domain
Hopekirk, Helen
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Fleury, André-Hercule de 1653-1743
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Hozier, Charles d' 1640-1732
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Bob Howe-public relations; photographer-James Kriegsmann, New York - Public Domain
Atwater, Edith
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Jamiespilsbury -
Herbert, James, 1943-2013
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Cappelle, Jan van de, approximately 1624-1679
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Solomon Joseph Solomon - Public Domain
Salaman, Nina, 1877-1925
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unknown - Public Domain
Vogel, Eduard, 1829-1856
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Wester Wemyss, Rosslyn Erskine Wemyss, Baron, 1864-1933
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Agence photographique de la Réunion des Musées Nationaux. - Public Domain
DuBourg, Louis William Valentine, 1766-1833
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United States Library of Congress - Public Domain
Russell, Richard B. (Richard Brevard), 1897-1971
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Elaine B. Mitchell (editor) - Public Domain
Egan, William A.
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Tatehuari el 24 de Abril de 2007 - Public Domain
Fierro, Rodolfo, 1880-1915
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Gleason's - Public Domain
Ingraham, J.H. (Joseph Holt), 1809-1860
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Carstares, William, 1649-1715
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Cullen, William, 1710-1790
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[or A. Fuhn (compare [http://www.allposters.com/-sp/Antoine-Louis-Clapisson-Posters_i1864670_.htm - Public Domain
Nanteuil-Leboeuf, Charles-François 1792-1865
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Rogers, Roy, 1911-1998
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unknown - Public Domain
Lawrence, T. E. (Thomas Edward), 1888-1935
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Cruz-Díez, Carlos 1923-
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CBS Television - Public Domain
Blackman, Joan, 1938-
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Judd, Ashley
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Imogen Cunningham -
Chinn, Benjamen, 1921-2009
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original uploader -
Volhard, Jakob, 1834-1910