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John Sartain - Public Domain
Public Domain
unknown - Public Domain
State Historical Society of Iowa (Des Moines, IA). - Public Domain
"Fin Fahey" - CC BY-SA 2.5
Sarah Ackerman - CC BY 2.0
original uploader - Public Domain
Alice S. Kandell - Public Domain
US Government (Navy) - Public Domain
Escarlati - CC BY-SA 3.0
12dstring - Public Domain
David Bowers - Public Domain
G. Dendry - Public Domain
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Lurie, John, 1952-....
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John Sartain - Public Domain
Clark, Willis Gaylord, 1808-1841
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Public Domain
Balard, Antoine-Jérôme, 1802-1876
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Taylor, Kent, 1907-1987
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unknown - Public Domain
Dunne, Robert, 1830-1917
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State Historical Society of Iowa (Des Moines, IA). - Public Domain
Clark, Lincoln, 1800-1886
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Haga, Godfrey, 1747-1825
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"Fin Fahey" - CC BY-SA 2.5
Thomas, A. Brumwell (Alfred Brumwell), 1868-1948
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unknown - Public Domain
Holker, John, 1719-1786
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Feuerbach, Anselm Friedrich, 1829-1880
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Sarah Ackerman - CC BY 2.0
Lippa, Andrew
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original uploader - Public Domain
Livermore, Henrietta W. (Henrietta Wells), 1864-
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Barrett, Lawrence, 1838-1891
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Defregger, Franz von 1835-1921
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Glimm, James.
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Daumer, Georg Friedrich, 1800-1875
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Baker, Henry, 1698-1774
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Alice S. Kandell - Public Domain
Palden Thondup Namgyal, Chogyal of Sikkim, 1923-
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US Government (Navy) - Public Domain
Clarey, Bernard A. (Bernard Ambrose), 1912-1996
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Escarlati - CC BY-SA 3.0
Serrano, Pablo, 1908-1985
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Damrosch, Walter, 1862-1950
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12dstring - Public Domain
Breislak, Scipion, 1748-1826
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Spears, Edward, Sir, 1886-1974
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Lancaster, Joseph, 1778-1838
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David Bowers - Public Domain
Henderson, Lucius
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Public Domain
Boggs, Hale, 1914-1972
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Bronzino, Agnolo, 1503-1572
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Kupffer, Carl von, 1829-1902
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G. Dendry - Public Domain
Crooks, Will, 1852-1921
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Killens, John Oliver, 1916-1987