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Bain - Public Domain
original uploader - Public Domain
Anonymous -
Engraver: R. Boud - Public Domain
Anon - Public Domain
Thomas William Herringshaw, author. Published by American Publishers' Association, Chicago. - Public Domain
unknown - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
The Yeti - CC BY-SA 3.0
Harris & Ewing, photographer - Public Domain
Public Broadcasting Service - Public Domain
World Economic Forum - CC BY-SA 2.0
Public Domain
unknown -
Melle Le Jeuneux - Public Domain
Dan Thornton for U.S. Senate campaign. -
Robert Thivierge (Thivierr) -
? - Public Domain
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Oxford, Aubrey de Vere, Earl of, 1627-1703
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Fernández de Córdoba, Luis 1798-1840
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Bain - Public Domain
De Cordova, Rudolph, 1860-1941
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original uploader - Public Domain
Camphausen, W. (Wilhelm), 1818-1885
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Kaiulani, Princess of Hawaii, 1875-1899
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Anonymous -
Haller, Józef, 1873-1960
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Engraver: R. Boud - Public Domain
Meteren, Emmanuel van 1535-1612
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Anon - Public Domain
Tripp, Bartlett, 1842-1911
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Higgins, Pattillo, 1863-
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Thomas William Herringshaw, author. Published by American Publishers' Association, Chicago. - Public Domain
Ray, George W. (George Washington), 1844-1925
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unknown - Public Domain
Bothmer, Hans Caspar, Graf von, 1656-1732
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Mathew Brady Levin Corot Handy - Public Domain
Bashford, Coles, 1816-1878
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unknown - Public Domain
Ramsbottom, John, 1885-1974
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unknown - Public Domain
Cremona, Luigi, 1830-1903
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The Yeti - CC BY-SA 3.0
Vaughn, Robert, 1932-....
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Ingersoll, Charles Anthony, 1798-1860
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Ruppersberg, Allen 1944-
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Harris & Ewing, photographer - Public Domain
Haugen, Gilbert Nelson, 1859-1933
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Jenks, Albert Ernest, 1869-1953
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Public Broadcasting Service - Public Domain
Hunnicutt, Gayle
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World Economic Forum - CC BY-SA 2.0
Wallis, Jim
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Wray, Daniel, 1701-1783
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Public Domain
Burleigh, John H. (John Holmes), 1822-1877
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Bohr, Aage.
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unknown - Public Domain
Goold-Adams, Hamilton John, Sir, 1858-1920
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unknown -
Niẓāmī Ganjavī, 1140 or 1141-1202 or 1203
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Melle Le Jeuneux - Public Domain
La Caille, Nicolas-Louis de, 1713-1762
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Dan Thornton for U.S. Senate campaign. -
Thornton, Dan, 1911-1976
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Robert Thivierge (Thivierr) -
Mathews, Jake, 1970-
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? - Public Domain
Gobineau, Arthur, comte de, 1816-1882