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anonymous - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Kippelboy - CC BY-SA 3.0
Engraved by D. J. Pound from a photograph by Mayall - Public Domain
Matthew Crowley - CC BY 2.0
Boston Globe - Public Domain
Terrence Spencer, Time & Life Pictures, Getty Images - CC BY-SA 4.0
Seymour Lucas (painter) - Public Domain
unknown photographer - Public Domain
Public Domain
slowking -
Peggster.net at https://www.flickr.com/photos/mythbusted/ - CC BY 3.0
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Smithsonian Institution -
Crosby, Elizabeth Caroline, 1888-....
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Pelton, Lester A. (Lester Allen), 1829-1908
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Sullivan, Gordon R., 1937-
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Straus, Oscar S. (Oscar Solomon), 1850-1926
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Berman, Shelley
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anonymous - Public Domain
Theodore, Studites, Saint, 759-826
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Mathew Brady Levin Corot Handy - Public Domain
Norton, Daniel Sheldon, 1829-1870
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Kippelboy - CC BY-SA 3.0
Claramunt, Luis, 1951-2000
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Mathew Brady Levin Corot Handy - Public Domain
Dickey, Oliver James, 1823-1876
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Engraved by D. J. Pound from a photograph by Mayall - Public Domain
Canning, Charles John, 1812-1862
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Matthew Crowley - CC BY 2.0
Romer, Roy, 1928-
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Boston Globe - Public Domain
Drum, Hugh Aloysius, 1879-1951
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Leese, Jacob P. (Jacob Primer), 1809-1892
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Štampar, Andrija, 1888-1958
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Terrence Spencer, Time & Life Pictures, Getty Images - CC BY-SA 4.0
Bowles, Jane, 1917-1973
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Seymour Lucas (painter) - Public Domain
Ward, Rowland, 1848?-1912
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unknown photographer - Public Domain
Johnson, Martin Elmer, 1884-1937
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Public Domain
Cary, Diana Serra, 1918-....
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Lanfranc
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Dyche, Lewis Lindsay, 1857-1915
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Lewis, Neil Elliott, Sir, 1858-1935
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slowking -
Peck, Richard, 1934-....
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Eldridge, Florence
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Oberdan, Guglielmo, 1858-1882
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Lapid, Joseph, 1931-2008
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Clark, Lynwood E., 1929-
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Public Domain
Willis, Raymond E. (Raymond Eugene), 1875-1956
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Machiavelli, Niccoló, 1469-1527
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McElroy, Neil H. (Neil Hosler), 1904-1972
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Peggster.net at https://www.flickr.com/photos/mythbusted/ - CC BY 3.0
Mottola, Greg