Image from Wikimedia Commons
unknown - Public Domain
Markell hayes -
Mathew Brady Levin Corot Handy - Public Domain
Biblioteca Nacional de España - Public Domain
Sadeler/De Vos - Public Domain
Bain News Service - Public Domain
Famous Players-Lasky Corporation - Public Domain
w:USGS - Public Domain
Barrie Scardino and Drexel Turner - Public Domain
artist unknown - Public Domain
Random House Children's Books - CC BY-SA 3.0
Ricardo77 - CC BY-SA 3.0
Logari - Public Domain
(unknown) - Public Domain
Hubert von Herkomer - Public Domain
Slowking4 -
de.wikipedia -
No photographer named in original source. - Public Domain
Image from Wikimedia Commons
Roos, Don
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unknown - Public Domain
Avery, Oswald Theodore, 1877-1955
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unknown - Public Domain
Postel, Guillaume, 1510-1581
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Martin, John, 1812-1875
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unknown - Public Domain
Diepenbrock, Melchior, 1798-1853
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Markell hayes -
Rolston, Matthew
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Mathew Brady Levin Corot Handy - Public Domain
Beaman, F. C. (Fernando C.), 1814-1882
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Biblioteca Nacional de España - Public Domain
Torres Villarroel, Diego de 1693-1770
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Elmore, F. H. (Franklin Harper), 1799-1850
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Sadeler/De Vos - Public Domain
Verdonck, Cornelis, 1563-1625
Image from Wikimedia Commons
Bain News Service - Public Domain
Willard, Jess, 1881-1968
Image from Wikimedia Commons
Famous Players-Lasky Corporation - Public Domain
Bolder, Robert, 1859-1937
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w:USGS - Public Domain
Truman, Harry, 1896-1980
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Dole, Edmund P. (Edmund Pearson), 1850-
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Castle, William R. (William Richards), 1878-1963
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Barrie Scardino and Drexel Turner - Public Domain
Clayton, Nicholas Joseph, 1839-1916
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Hnizdovsky, Jacques, 1915-1985
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artist unknown - Public Domain
Smith, Alvin, 1798-1823
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Michel, Louise, 1830-1905
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Random House Children's Books - CC BY-SA 3.0
Browne, Anthony, 1946-....
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Dargie, William, Sir, 1912-2003
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Ricardo77 - CC BY-SA 3.0
Chromy, Bronisław, 1925-
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Logari - Public Domain
Sánchez de las Brozas, Francisco, 1523-1601
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Panizzi, Anthony, Sir, 1797-1879
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Lee, Albert
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(unknown) - Public Domain
Uesugi, Kenshin, 1530-1578
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Hubert von Herkomer - Public Domain
Goldie, George Taubman, Sir, 1846-1925
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Slowking4 -
Smith, Tracy K.
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de.wikipedia -
Sloane, William Milligan, 1850-1928
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No photographer named in original source. - Public Domain
Erskine, Payne, 1854-1924