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unknown - Public Domain
Fuzzy Gerdes - CC BY 2.0
Mathew Brady - Public Domain
http://www.wikia.com/Licensing - CC BY-SA 3.0
Hollyer, Frederick, born 1837 - died 1933 (photographer) - Public Domain
Giunti Photographic Archive/Foto Rabatti-Domingie, Florence - Public Domain
w - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
NBC Television - Public Domain
Rev. William J. Simmons, D.D. - Public Domain
Unknown military photographer - Public Domain
Public Domain
Ilenero - Public Domain
Celinahex - CC BY-SA 3.0
"Hazard" of American Golfer, Inc. - Public Domain
Toglenn - CC BY-SA 3.0
The Library of Congress -
Luigi Morante - CC BY 2.0
photo was taken by subject's wife (Patricia Targ) - Public Domain
US Government - Public Domain
Notman Photography, Boston - Public Domain
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Atkinson, Edward, 1827-1905
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unknown - Public Domain
Giraud, François Pierre, 1818-1877
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Fuzzy Gerdes - CC BY 2.0
Pierce, Charles P. (Charles Patrick), 1953-
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Mathew Brady - Public Domain
Weed, Thurlow, 1797-1882
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http://www.wikia.com/Licensing - CC BY-SA 3.0
Chaykin, Maury
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Hollyer, Frederick, born 1837 - died 1933 (photographer) - Public Domain
Dearmer, Percy, 1867-1936
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Giunti Photographic Archive/Foto Rabatti-Domingie, Florence - Public Domain
Palmieri, Matteo, 1405-1475
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w - Public Domain
Smith, Hyrum Gibbs, 1879-1932
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Mathew Brady Levin Corot Handy - Public Domain
Valentine, Edward Kimble, 1843-1916
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De Franco, Buddy, 1923-
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NBC Television - Public Domain
Ruggles, Charlie, 1886-1970
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Rev. William J. Simmons, D.D. - Public Domain
Simmons, William J., 1849-1890
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Yoshizawa, Kenkichi, 1874-1965
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w - Public Domain
Dusenberry, Ida Smoot, 1873-1955
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Unknown military photographer - Public Domain
Harkins, Paul D. (Paul Donal), 1904-1984
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Public Domain
Notovitch, Nicolas, 1858-
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Ilenero - Public Domain
Elazar, Daniel Judah.
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Celinahex - CC BY-SA 3.0
Stoller, Debbie
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unknown - Public Domain
Phips, Spencer, 1685-1757
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"Hazard" of American Golfer, Inc. - Public Domain
Tillinghast, Albert Warren, 1874-1942
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McIntosh, Maria J. (Maria Jane), 1803-1878
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Graf, Friedrich Hartmann, 1727-1795
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Toglenn - CC BY-SA 3.0
Anderson, Pamela, 1967-
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The Library of Congress -
Gómez, Vicente, 1911-2001
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Luigi Morante - CC BY 2.0
Parra, Isabel
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photo was taken by subject's wife (Patricia Targ) - Public Domain
Targ, Russell.
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Moles, Enrique
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Taymor, Julie, 1952-....
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US Government - Public Domain
Stelle, John H., 1891-1962
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Notman Photography, Boston - Public Domain
Calkins, Mary Whiton, 1863-1930