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unknown - Public Domain
Shinxenius -
David Konečný - CC BY-SA 3.0
Hoary - CC BY-SA 3.0
Colorado State Archives - Public Domain
unknown -
Commercial West magazine - Public Domain
UPI Telephoto -
Contemporary portrait - Public Domain
Andiemusik1986 - CC BY-SA 3.0
Public Domain
Fritz Cohen - Public Domain
collection of Mary Melinda Kingsbury Simkhovitch Papers. - Public Domain
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Morton, Henry, 1836-1902
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Lippitt, Charles Warren, 1846-1924
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unknown - Public Domain
Fairbank, Nathaniel Kellogg, 1829-1903
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Myers, Henry L. (Henry Lee), 1862-1943
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Shinxenius -
Serrano, José, 1873-1941
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David Konečný - CC BY-SA 3.0
Price, Richard, 1966-....
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Furchgott, Robert F., 1916-2009
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Henry, William, 1774-1836
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Exelmans, Remy Joseph Isidore 1775-1852
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unknown - Public Domain
Goodnight, Charles, 1836-1929
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Hoary - CC BY-SA 3.0
Kikai, Hiroo, 1945-
Image from Wikimedia Commons
Colorado State Archives - Public Domain
Grant, James Benton, 1848-1911
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unknown -
Smith, R. Burdett (Robert Burdett), 1837-1895
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Polak, J. J. (Jacques Jacobus), 1914-
Image from Wikimedia Commons
Commercial West magazine - Public Domain
Young, Roy A. (Roy Archibald), 1882-1960
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Opie, Amelia, 1769-1853
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Jones, Etta
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UPI Telephoto -
Herndon, Marcia
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Contemporary portrait - Public Domain
De la Warr, Thomas West, Baron, 1577-1618
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Hewitt, Abram S. (Abram Stevens), 1822-1903
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Andiemusik1986 - CC BY-SA 3.0
Ciani, Suzanne
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Powell, Dick, 1904-1963
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Harispe, Jean, 1768-1855
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March, Fredric, 1897-1975.
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Public Domain
Martyn, Henry, 1781-1812
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Hearne, Samuel, 1745-1792
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Fritz Cohen - Public Domain
Kollek, Teddy, 1911-2007
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collection of Mary Melinda Kingsbury Simkhovitch Papers. - Public Domain
Simkhovitch, Mary K. (Mary Kingsbury), 1867-1951
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Russell, John Peter, 1858-1930
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Saunders, William, 1836-1914