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Jennyrleroy - CC BY-SA 3.0
Mathew Brady Levin Corot Handy - Public Domain
unknown - Public Domain
Thesupermat - CC BY-SA 3.0
Andy Newcombe - CC BY-SA 2.0
uncnown - Public Domain
DSVSRK - CC BY-SA 4.0
US Government Printing Office - Public Domain
George Grantham Bain Collection - Public Domain
Engraved by William Ridgway after a picture by W.B. Morris, published in The Art Journal, 1875 - Public Domain
O. Roloff, Hof-Photograph, Berlin - Public Domain
unknown - CC BY-SA 3.0
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Jennyrleroy - CC BY-SA 3.0
Reynolds, David S., 1948-
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Starr, Leonard
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Wilhelm, von Hirsau, Abbot of Hirsau, approximately 1030-1091
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Corrigan, Michael Augustine, 1839-1902
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Mathew Brady Levin Corot Handy - Public Domain
Washburn, William B. (William Barrett), 1820-1887
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unknown - Public Domain
Vasarely, Victor, 1906-1997
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Collie, Norman, 1859-1942
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Montlosier, François-Dominique de Reynaud, comte de, 1755-1838
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Craig, Edward Arthur, 1896-1994
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Thesupermat - CC BY-SA 3.0
Lavilliers, Bernard, 1946-....
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Hamer, Thomas Lyon, 1800-1846
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unknown - Public Domain
Anderson, Thomas McArthur, 1836-1917
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Monge, Gaspard, 1746-1818
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Hardin, Benjamin, 1784-1852
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Andy Newcombe - CC BY-SA 2.0
Wheeler, Kenny
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unknown - Public Domain
Crawford, T. S. (Thomas Simpson), 1875-
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Peck, Gregory, 1916-2003
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Rochette, Raoul-, 1789-1854
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Hylton, Jack, 1892-1965
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uncnown - Public Domain
Wickliffe, Robert C. (Robert Charles), 1819-1895
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Drew, George A. (George Alexander), 1894-1973
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DSVSRK - CC BY-SA 4.0
Balasubramaniam, G. N., 1910-1965
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US Government Printing Office - Public Domain
Zelenko, Herbert, 1906-1979
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George Grantham Bain Collection - Public Domain
Benet, Christie, 1879-1951
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Sime, Sidney Herbert, 1867-1941
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Engraved by William Ridgway after a picture by W.B. Morris, published in The Art Journal, 1875 - Public Domain
Chatterton, Thomas, 1752-1770
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O. Roloff, Hof-Photograph, Berlin - Public Domain
Norden, Eduard, 1868-1941
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Gorcey, Leo B., 1916-1969
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unknown - CC BY-SA 3.0
Gleditsch, Ellen, 1879-1968
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unknown - Public Domain
Fader, Fernando, 1882-1935