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unknown - Public Domain
Robert Tracy Jackson - Public Domain
Enerelt - CC BY 3.0
Mingle MediaTV - CC BY-SA 2.0
Woodson, Carter Godwin (1875-1950) - Public Domain
New York World-Telegram and the Sun staff photographer: Sauro, Bill, photographer. - Public Domain
Philip-Jan Kohnstamm - CC BY-SA 3.0
University of Houston Digital Library -
John Singer Sargent - Public Domain
Harris & Ewing - Public Domain
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Alboni, Marietta, 1823-1894
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unknown - Public Domain
Foster, J. W. (John Wells), 1815-1873
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Robert Tracy Jackson - Public Domain
Beecher, Charles Emerson, 1856-1904
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Blood, Thomas, 1618?-1680
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Howard, John G. (John George), 1803-1890
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Bale, John, 1495-1563
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unknown - Public Domain
Funk, Isaac, 1797-1865
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Ondříček, František, 1857-1922
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Enerelt - CC BY 3.0
Weatherford, J. McIver.
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Mingle MediaTV - CC BY-SA 2.0
Geary, Anthony, 1947-
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Baltimore, George Calvert, Baron, 1580?-1632
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Helnwein, Gottfried, 1948-....
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unknown - Public Domain
Burckhardt, J. Ch., 1773-1825
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Frend, William, 1757-1841
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Atkinson, George Francis, 1854-1918
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Gluck, Alma, 1884-1938
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unknown - Public Domain
Filson, John, approximately 1747-1788
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Woodson, Carter Godwin (1875-1950) - Public Domain
Ray, Charles B. (Charles Bennett), 1807-1886
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New York World-Telegram and the Sun staff photographer: Sauro, Bill, photographer. - Public Domain
Lauder, Estée
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Collins, Leroy
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Philip-Jan Kohnstamm - CC BY-SA 3.0
Kohnstamm, Max, 1914-2010
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University of Houston Digital Library -
Lopate, Phillip
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unknown - Public Domain
Lacy, Luis de, 1775-1817
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Cooley, Spade, 1910-1969
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Bassano, Francesco da Ponte, 1549-1592
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John Singer Sargent - Public Domain
Ribblesdale, Thomas Lister, Baron, 1854-1925
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West, Caleb W. (Caleb Walton), 1844-1909
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Harris & Ewing - Public Domain
Connell, Richard E. (Richard Edward), 1857-1912
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Scheutz, Georg, 1785-1873
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Arnold, Karl, 1901-1958