Image from Wikimedia Commons
Henry William Beechey - Public Domain
unknown - Public Domain
nicolas genin - CC BY-SA 2.0
Thierry Ehrmann - CC BY 2.0
Falk - Public Domain
Witold Pikiel - Public Domain
GMB3 - CC BY-SA 4.0
unknown photographer - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Azkue Fundazioa (https://www.flickr.com/photos/azkuefundazioa/) - CC BY-SA 2.0
Bain News Service, publisher - Public Domain
*not credited - Public Domain
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Henry William Beechey - Public Domain
Creech, William, 1745-1815
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Sinise, Gary
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unknown - Public Domain
Béraud, Henri, 1885-1958
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unknown - Public Domain
Bertoncini, Mario, 1932-
Image from Wikimedia Commons
nicolas genin - CC BY-SA 2.0
Stanton, Andrew.
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unknown - Public Domain
Bard, Thomas Robert, 1841-1915
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Thierry Ehrmann - CC BY 2.0
Bourdieu, Pierre, 1930-2002
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Holman, Libby
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Modersohn-Becker, Paula, 1876-1907
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Falk - Public Domain
Kidder, Kathryn
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Bacon, Edwin M. (Edwin Munroe), 1844-1916
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Brown, Harold, 1927-....
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Halliday, John, 1880-1947
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McArdell, James, approximately 1729-1765
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Witold Pikiel - Public Domain
Piłsudski, Jȯzef 1867-1935
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Hall, Thurston, 1882-1958
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Coles, Abraham, 1813-1891
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GMB3 - CC BY-SA 4.0
Burge, Gary M., 1952-
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unknown photographer - Public Domain
Wirth, May, 1894-1978
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Mathew Brady Levin Corot Handy - Public Domain
Beaman, F. C. (Fernando C.), 1814-1882
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Enger, Erling, 1899-1990
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Nash, Thomas, 1567-1601
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Osborne, John, 1929-1994
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unknown - Public Domain
Wislicenus, Johannes, 1835-1902
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Ross, Anthony, 1906-1955
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Azkue Fundazioa (https://www.flickr.com/photos/azkuefundazioa/) - CC BY-SA 2.0
Cenarrusa, Pete T.
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Bain News Service, publisher - Public Domain
Stokes, James Graham Phelps, 1872-1960
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Francesco Sforza, Duke of Milan, 1401-1466
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*not credited - Public Domain
Hudson, Rochelle, 1916-1972
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Lewis, Thomas, Sir, 1881-1945