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Steve Terrell - CC BY 2.0
Public Domain
Andrew Nichol? - Public Domain
Hernando Sanchez -
Stevan Kragujević - CC BY-SA 3.0
David Shankbone - CC BY 3.0
The University of Houston Digital Library -
Anonymous - Public Domain
unknown - Public Domain
Contemporary portrait owned by the Royal Engineers - Public Domain
shym0n / Simon Robic - CC BY 2.0
James Bogle - Public Domain
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Steve Terrell - CC BY 2.0
Cargo, David Francis, 1929-
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Boren, Lyle H. (Lyle Hagler), 1909-1992
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Public Domain
Fawkner, John Pascoe, 1792-1869
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Lowell, Maria, 1821-1853
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Penn, William, Sir, 1621-1670
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Andrew Nichol? - Public Domain
Tennent, James Emerson, Sir, 1804-1869
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Nolan, Sidney, 1917-1992
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Langer, František, 1888-1965
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Hernando Sanchez -
Torres, Camilo, 1929-1966
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Stevan Kragujević - CC BY-SA 3.0
Philipe, Gérard, 1922-1959
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Parlo, Dita
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David Shankbone - CC BY 3.0
Talley, André Leon, 1948-2022
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Fagan, Louis, 1845-1903
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The University of Houston Digital Library -
Keeland, Burdette
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Anonymous - Public Domain
Schilder, Paul, 1886-1940
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Camargo, Marie Anne de Cupis de 1710-1770
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Merry del Val, Raphael, 1865-1930
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Michelstaedter, Carlo, 1887-1910
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unknown - Public Domain
Orr, Alexander Ector, 1831-1914
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Vincent, François-André, 1746-1816
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Vogel, Ezra F.
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unknown - Public Domain
Hoby, Edward, Sir, 1560-1617
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Ceaușescu, Nicolae
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Contemporary portrait owned by the Royal Engineers - Public Domain
Pasley, Charles William, Sir, 1780-1861
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shym0n / Simon Robic - CC BY 2.0
Crécy, Étienne de, 1969-....
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Whistler, James McNeill, 1834-1903
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Journet, Marcel, 1867-1933
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Public Domain
Altamirano, Fernando, 1850-1908
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Ambrose, Stephen E.
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James Bogle - Public Domain
Harris, Townsend, 1804-1878