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w:University of Pennsylvania Museum of Archaeology and Anthropology - Public Domain
Jean Paul Selinger - Public Domain
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Llywelyn2000 - CC BY-SA 4.0
Heinrich Ewald Buchholz - Public Domain
user at project - Public Domain
NASA/JPL - Public Domain
Napoles Real Emprenta de Egidio Longo (impresor) - Public Domain
Victor George, Springfield, Illinois - Public Domain
unknown - Public Domain
USA - Public Domain
Essex Southern District Medical Society - Public Domain
Bob Bekian - CC BY-SA 2.0
Horace Hollister, author. C. A. Alvord (New York, NY), publisher. - Public Domain
Ben P L - CC BY-SA 2.0
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Elliot, G. F. Scott (George Francis Scott), 1862-1934
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Cox, Christopher, 1952-....
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Gluck, Alma, 1884-1938
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w:University of Pennsylvania Museum of Archaeology and Anthropology - Public Domain
LoBagola, Bata Kindai Amgoza Ibn, 1877-1947
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Jean Paul Selinger - Public Domain
Gardner, Henry J. (Henry Joseph), 1819-1892
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Sutherland, Jane, 1855-1928
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Kearny, Francis, 1785-1837
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Custis, Daniel Parke, 1711-1757
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Public Domain
Chapin, Charles V. (Charles Value), 1856-1941
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Van Duzee, Edward P. (Edward Payson), 1861-1940
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Llywelyn2000 - CC BY-SA 4.0
Trevor, John, 1563-1630
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Heinrich Ewald Buchholz - Public Domain
Carroll, Thomas King, 1793-1873
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Gallup, Elizabeth Wells, 1846-
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user at project - Public Domain
Gonzaga, Scipione, 1542-1593
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NASA/JPL - Public Domain
Malina, Frank J.
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Napoles Real Emprenta de Egidio Longo (impresor) - Public Domain
Aragón, Pedro Antonio de 1611-1690
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Victor George, Springfield, Illinois - Public Domain
Lindsay, Vachel, 1879-1931
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Hartmann, Eduard von 1842-1906
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Benjamin, S. G. W. (Samuel Greene Wheeler), 1837-1914
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unknown - Public Domain
Cos, Martín Perfecto de, 1800-1854
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Lautenberg, Frank R. (Frank Raleigh), 1924-2013
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Troost, Gerard, 1776-1850
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USA - Public Domain
Duval, Isaac Harding, 1824-1902
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Essex Southern District Medical Society - Public Domain
Holyoke, Edward Augustus, 1728-1829
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Bob Bekian - CC BY-SA 2.0
Craven, Wes.
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Maunsell, Robert, 1810-1894
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Horace Hollister, author. C. A. Alvord (New York, NY), publisher. - Public Domain
Scranton, George W. (George Whitfield), 1811-1861
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Hill, Declan
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Vigors, N. A. (Nicholas Alyward), 1785-1840
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Ben P L - CC BY-SA 2.0
Swinton, Heidi S., 1948-