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U.S. Air Force photo - Public Domain
Library of the London School of Economics and Political Science -
original uploader - Public Domain
Bain - Public Domain
''New York Tribune'' - Public Domain
Kassner -
Charles S. Forbes - Public Domain
Unknown studio photographer - Public Domain
w:David Shankbone - CC BY-SA 3.0
George B. Sowerby - Public Domain
Les Amis de Martin Nadaud - CC BY-SA 3.0
unknown - Public Domain
Biblejohn - CC BY-SA 3.0
author - Public Domain
Arthur S. Goss - Public Domain
NBC Television - Public Domain
Ben Grey - CC BY-SA 2.0
not specified - Public Domain
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U.S. Air Force photo - Public Domain
Jones, David M., 1913-
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Landis, Charles B. (Charles Beary), 1858-1922
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Library of the London School of Economics and Political Science -
Oakeshott, Michael, 1901-1990
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Southwell, Edward, 1671-1730
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original uploader - Public Domain
Schiff, John M.
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Obannon, Rockne S.
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Bain - Public Domain
Winter, William, 1836-1917
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''New York Tribune'' - Public Domain
Beecher, Janet
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Walker, Joe Louis
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Kassner -
Tiller, Nadja, 1929-....
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Charles S. Forbes - Public Domain
Howe, Mary, 1882-1964
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Schuman, Robert, 1886-1963
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Unknown studio photographer - Public Domain
Garvin, Anita, 1907-1994
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w:David Shankbone - CC BY-SA 3.0
Karan, Donna, 1948-....
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Saulsbury, Willard, 1861-1927
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George B. Sowerby - Public Domain
Sowerby, George Brettingham, 1788-1854
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Heywood, Joseph Leland, 1815-1910
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Les Amis de Martin Nadaud - CC BY-SA 3.0
Nadaud, Martin, 1815-1898
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unknown - Public Domain
Schley, William, 1786-1858
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Biblejohn - CC BY-SA 3.0
Call, John, Sir, 1732-1801
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author - Public Domain
Buxton, Thomas Fowell, Sir, 1837-1915
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Schwatka, Frederick, 1849-1892
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Wood, J.G. (John George), 1827-1889
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Arthur S. Goss - Public Domain
Banting, Frederick Grant, sir, 1891-1941
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NBC Television - Public Domain
Mallory, Edward, 1930-2007
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Cary, Alice, 1820-1871
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Cohen, Abby Joseph
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Ben Grey - CC BY-SA 2.0
Fitzsimmons, William, 1978-
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not specified - Public Domain
Washington, Walter E. (Walter Edward), 1915-2003
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Thurston, Lloyd