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unknown - Public Domain
John Neagle ca. 1825 - Public Domain
Tacoking111 - CC BY-SA 3.0
Acancino - CC BY-SA 3.0
Samuel Freeman - Public Domain
Public Domain
Mathew Brady Levin Corot Handy - Public Domain
shay sowden - CC BY 2.0
Robert Bruce Livingston - Public Domain
Bain - Public Domain
not identified - Public Domain
Uncredited. Published by the United States Information Service. - Public Domain
United States Air Force - Public Domain
University of Bath - Public Domain
New York, N.Y. : M. King - Public Domain
Per Krafft the Younger - Public Domain
JJ Georges - CC BY-SA 3.0
Jorgegonzar - CC BY-SA 4.0
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unknown - Public Domain
Ulke, Henry, 1821-1910
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John Neagle ca. 1825 - Public Domain
Darlington, William, 1782-1863
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Orton, Job, 1717-1783
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Tayali, Henry, 1943-1987
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Poliakoff, Stephen, 1952-....
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Söderberg, Hjalmar, 1869-1941
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Gompertz, Benjamin, 1779-1865
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Tacoking111 - CC BY-SA 3.0
McKnight, William
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Hardwicke, Philip Yorke, Earl of, 1690-1764
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Ruzowitzky, Stefan
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unknown - Public Domain
Haghe, Louis, 1806-1885
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Mackintosh, James, Sir, 1765-1832
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Acancino - CC BY-SA 3.0
Santos, Anthony
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Samuel Freeman - Public Domain
Herries, John Charles, 1778-1855
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Public Domain
Luria, S. E. (Salvador Edward), 1912-1991
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Mathew Brady Levin Corot Handy - Public Domain
Spencer, George Eliphaz, 1836-1893
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shay sowden - CC BY 2.0
Mahony, Roger Michael, 1936-
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Robert Bruce Livingston - Public Domain
Gonzalez, Matt, 1965-
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Bain - Public Domain
Deeds, E. A. (Edward Andrew), 1874-1960
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not identified - Public Domain
Bumpers, Betty
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Borsuk, Karol
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Irvan, Ernie, 1959-
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Uncredited. Published by the United States Information Service. - Public Domain
Kirk, Grayson L. (Grayson Louis), 1903-1997
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United States Air Force - Public Domain
Voll, John James, 1922-1987
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University of Bath - Public Domain
Pitman, James, Sir, 1901-
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New York, N.Y. : M. King - Public Domain
Eno, Amos R. (Amos Richard), 1810-1898
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Per Krafft the Younger - Public Domain
Wingård, Carl Fredrik af, 1781-1851
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JJ Georges - CC BY-SA 3.0
Carné, Marcel
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Jorgegonzar - CC BY-SA 4.0
Fernández, José R.
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Public Domain
Durand, William Frederick, 1859-1958