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George Dance (the younger), artist - Public Domain
not stated - Public Domain
E.lejet - CC BY-SA 3.0
unknown - Public Domain
Brigade Piron - CC BY-SA 3.0
anonymous - Public Domain
U.S House of Representatives Photographer - Public Domain
Andrew Eason - CC BY-SA 2.0
John Carter - Public Domain
NotFromUtrecht/Template2 - CC BY-SA 3.0
Public Domain
Toddsoc02 - CC BY-SA 4.0
Edmund Harburger - Public Domain
U.S. federal government - Public Domain
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Sze, Sao-ke Alfred 1877-1958
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George Dance (the younger), artist - Public Domain
Rigaud, J. F. (John Francis), 1742-1810
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not stated - Public Domain
Blackwood, Algernon, 1869-1951
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E.lejet - CC BY-SA 3.0
Lejet, Edith
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unknown - Public Domain
Letcher, John, 1813-1884
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Sakai, Stan.
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Pantoliano, Joe
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Ward, Megan, 1969-
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unknown - Public Domain
Robert, Christopher R. (Christopher Rhinelander), 1802-1878
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Carr, Emily, 1871-1945
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Brigade Piron - CC BY-SA 3.0
Evans-Pritchard, E. E. (Edward Evan), 1902-1973
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Grandrieux, Philippe
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Beccaria, Cesare, marchese di, 1738-1794
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anonymous - Public Domain
Juárez, Benito, 1806-1872
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Egede, Hans, 1686-1758
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U.S House of Representatives Photographer - Public Domain
Raskin, Jamin B. (Jamin Ben), 1962-
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Gosset, William Sealy, -1937
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Spemann, Hans, 1869-1941
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Andrew Eason - CC BY-SA 2.0
Wade, Charles Paget 1883-1956
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unknown - Public Domain
Baudouin, Paul.
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John Carter - Public Domain
Dominici, Giovanni, 1356?-1420?
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NotFromUtrecht/Template2 - CC BY-SA 3.0
Hall, Robert, 1764-1831
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Garrett, Augustus, 1801-1848
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Public Domain
Vann, John Paul, 1924-1972
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Sheldon, Gilbert, 1598-1677
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unknown - Public Domain
Clergue, Francis H. (Francis Hector), 1856-1939
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Toddsoc02 - CC BY-SA 4.0
O'Connell, Brian, 1930-2011
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Bader, Alfred, 1924-....
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Edmund Harburger - Public Domain
Harburger, Edmund, 1846-1906
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U.S. federal government - Public Domain
Kaiser, Michael M.