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Frederick Hollyer (1837-1933) - Public Domain
Mike-tango - CC BY-SA 4.0
JosuéJacob - CC BY-SA 3.0
James E. Seaver - Public Domain
Charles Wiener - Public Domain
GSAPPstudent - CC BY-SA 4.0
John Brandi - CC BY-SA 3.0
unknown - Public Domain
Autor/Fotograf: Willy Pragher - CC0 1.0
Allister - CC BY 2.0
Mathew Brady Levin Corot Handy - Public Domain
StagiaireMGIMO - CC BY-SA 3.0
Smithsonian Institution -
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Allen, John J. (John Joseph), 1899-1995
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Pu, Ru, 1896-1963
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Nathan, Abie
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Frederick Hollyer (1837-1933) - Public Domain
Rodd, Rennell, 1858-1941
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Mike-tango - CC BY-SA 4.0
Niquet, Hervé.
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JosuéJacob - CC BY-SA 3.0
Copeland, Stewart
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Hill, John, 1912-2007
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James E. Seaver - Public Domain
Jemison, Mary, 1743-1833
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Beckwourth, James Pierson, 1798-1866
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Charles Wiener - Public Domain
Wiener, Charles
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Gadsden, Jacqueline, 1900-1986
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Montenuovo, Alfred von 1854-1927
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GSAPPstudent - CC BY-SA 4.0
Simmons, Xaviera, 1974-
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John Brandi - CC BY-SA 3.0
Brandi, John
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unknown - Public Domain
Baškirceva, Marija K. 1858-1884
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Autor/Fotograf: Willy Pragher - CC0 1.0
Schmieder, Wolfgang
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Pauli, Wolfgang, 1900-1958
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Davenport, Dorothy, 1896-1977
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Bridgman, P.W. (Percy Williams), 1882-1961
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unknown - Public Domain
Robertson, Macpherson, Sir, 1859-1945
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Grider, Henry, 1796-1866
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unknown - Public Domain
Langdale, Marmaduke Langdale, Baron, 1598?-1661
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Lewis, Thomas, Sir, 1881-1945
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Allister - CC BY 2.0
Patti, Carlotta
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Mathew Brady Levin Corot Handy - Public Domain
Christiancy, Isaac Peckham, 1812-1890
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Willimon, William H.
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StagiaireMGIMO - CC BY-SA 3.0
Sheehan, James J.
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Pepys, Lucas, Sir, 1742-1830
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Smithsonian Institution -
Gerry, Eloise, 1885-
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unknown - Public Domain
Tourgée, Albion W. 1838-1905