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unknown - Public Domain
Thomas Hardy (1757-1804) - Public Domain
National Endowment for the Arts - Public Domain
Aldercraft - CC BY-SA 3.0
Jacques Le Boucq - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Illustration from ''Harper's Monthly'', vol. 44, 1872. - Public Domain
not stated - Public Domain
anonymous - Public Domain
unknown author - Public Domain
US federal Govervenment - Public Domain
US gov - Public Domain
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unknown - Public Domain
Babur, Emperor of Hindustan, 1483-1530
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Thomas Hardy (1757-1804) - Public Domain
Bowles, William Augustus, 1763 or 1764-1805
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National Endowment for the Arts - Public Domain
Curtin, Phyllis
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Blythe, Colin, 1879-1917
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De Mille, Katherine, 1911-1995
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Secord, Laura Ingersoll, 1775-1868
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unknown - Public Domain
Nathan, Matthew, Sir, 1862-1939
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Bergerat, Émile, 1845-1923
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Aldercraft - CC BY-SA 3.0
Adler, Hans, 1904-1979
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Jacques Le Boucq - Public Domain
Commynes, Philippe de, approximately 1447-1511
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Johnson, Malvin Gray, 1896-1934
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Mathew Brady Levin Corot Handy - Public Domain
Pinchback, Pinckney Benton Stewart, 1837-1921
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unknown - Public Domain
Neitzel, Otto, 1852-1920
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McVey, Frank LeRond, 1869-1953
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Janeway, Theodore C. (Theodore Caldwell), 1872-1917
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Veloso, Caetano
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Moore, Benjamin, 1867?-1922
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Illustration from ''Harper's Monthly'', vol. 44, 1872. - Public Domain
Salt, Titus, Sir, 1803-1876
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not stated - Public Domain
Grosvenor, Edwin A. (Edwin Augustus), 1845-1936
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Channing, William Ellery, 1817-1901
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Watson, Thomas, 1557?-1592?
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Beato, Felice, approximately 1825-
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anonymous - Public Domain
Ball, Hugo, 1886-1927
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McClure, Nikki
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Chadbourne, Paul A. (Paul Ansel), 1823-1883
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Rouillé, Antoine Louis 1689-1761
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unknown author - Public Domain
Ostaijen, Paul van, 1896-1928
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US federal Govervenment - Public Domain
Evert, Chris
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US gov - Public Domain
Sinkov, Abraham, 1907-
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MacKenzie, J. C. (John C.)