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unknown - Public Domain
Chatham House - CC BY 2.0
SouthbankSteve - CC BY 2.0
CheXinDong - Public Domain
Unknown Artists, photo by Tayloe Cook - CC BY 3.0
Luis Davagnino. uploader Claudio Elias - Public Domain
soldier2005 - CC BY-SA 2.0
loustejskal - CC BY 2.0
Llywelyn2000 - CC BY-SA 4.0
original uploader - Public Domain
unidentified artist - Public Domain
Public Domain
Tduk - CC BY-SA 4.0
Ruben Ortega - CC BY-SA 4.0
http://www.aworan.com - CC BY 2.0
Archives of American Art, Smithsonian Institution. - Public Domain
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Stewart, James, Sir, 1635-1713
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unknown - Public Domain
Howard, Henry, Sir, 1843-1921
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Chatham House - CC BY 2.0
Murray, Douglas, 1979-....
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SouthbankSteve - CC BY 2.0
Martin, Michael (Michael V.)
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CheXinDong - Public Domain
Lin, Zhao, 1932-1968
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Robinson, J. Russel
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unknown - Public Domain
McAfee, Robert B. (Robert Breckinridge), 1784-1849
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Lee, Samuel Phillips, 1812-1897
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Unknown Artists, photo by Tayloe Cook - CC BY 3.0
Tayloe, John, 1687-1747
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Luis Davagnino. uploader Claudio Elias - Public Domain
Pugliese, Osvaldo
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Williamson, Richard S.
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Liston, Sonny, 1932-1970
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soldier2005 - CC BY-SA 2.0
Dotrice, Roy, 1925-
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unknown - Public Domain
Burns, Otway, 1775-1850
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loustejskal - CC BY 2.0
Barber, Dan, 1969-
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Fath, Jacques, 1912-1954
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Lucy, Thomas, 1532-1600
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Llywelyn2000 - CC BY-SA 4.0
Yorke, Philip, 1743-1804
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original uploader - Public Domain
Loschmidt, J. (Johann Josef), 1821-1895
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unknown - Public Domain
Sethe, Kurt, 1869-1934
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unknown - Public Domain
Durante, Castore, 1529-1590
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Hogan, Hulk, 1953-
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unidentified artist - Public Domain
Carrel, Armand, 1800-1836
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Public Domain
MacAlister, Donald, 1854-1934
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Tduk - CC BY-SA 4.0
Cruse, Howard
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Ruben Ortega - CC BY-SA 4.0
Trueba, Fernando
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http://www.aworan.com - CC BY 2.0
Alexander, Monty
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Hobhouse, Benjamin, Sir, 1757-1831
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Archives of American Art, Smithsonian Institution. - Public Domain
Warneke, Heinz (Heinrich), 1895-1983
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Orlandini, Giuseppe Maria, 1676-1760