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Henry Chase - Public Domain
unknown - Public Domain
Public Domain
anonymous - Public Domain
Popadin - CC BY-SA 4.0
Henk Lindeboom / Anefo -
Photographer not credited - Public Domain
Peter Orlando Hutchinson (1810-1897) - Public Domain
Warburg - Public Domain
Dr. A. E. ("Ted") Hill - CC BY-SA 3.0
Mathew Brady - Public Domain
Jeff3000 - CC BY-SA 2.5
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Henry Chase - Public Domain
Wells, Samuel, 1801-1868
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Poincare, Henriette
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unknown - Public Domain
Williston, Samuel Wendell, 1851-1918
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Kobelt, Wilhelm, 1840-1916
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Arens, R. (Richard), 1919-
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Rudorff, Ernst, 1840-1916
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Public Domain
Poland, Luke P. (Luke Potter), 1815-1887
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Huntington, Ebenezer, 1754-1834
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anonymous - Public Domain
Matvi︠e︡ev, Artamon Sergi︠e︡evich, 1625-1682
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Lida de Malkiel, María Rosa
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Popadin - CC BY-SA 4.0
Brush, Katharine, 1902-1952
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Everglades National Park (Agency : U.S.)
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Henk Lindeboom / Anefo -
Rudolph, Wilma, 1940-....
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Just, Ward S.
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Photographer not credited - Public Domain
Cameron, William E. (William Evelyn), 1842-1927
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Peter Orlando Hutchinson (1810-1897) - Public Domain
Hutchinson, Peter Orlando
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Public Domain
Kirkland, William W. (William Whedbee), 1833-1915
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Cánovas del Castillo, António, 1828-1897
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Henry Chase - Public Domain
Robie, Frederick, 1822-1912
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unknown - Public Domain
Burchett, Josiah, 1666?-1746
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Lipsius, Justus, 1547-1606
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Kean, William B. (William Benjamin), 1897-1981
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Thynne, Thomas, 1648-1682
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Warburg - Public Domain
Meier, Richard, 1934-....
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Dr. A. E. ("Ted") Hill - CC BY-SA 3.0
Snow, Barbara K.
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Mathew Brady - Public Domain
Chamberlain, Joshua Lawrence, 1828-1914
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Wharton, William Fisher, 1847-1919
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Banks, Dennis James, 1937-2017
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Boudinot, Elias, 1802-1839
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Jeff3000 - CC BY-SA 2.5
Sahbá, Fariburz 1948-