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Lesula - CC BY-SA 3.0
Anonymous photographer - Public Domain
Illinois State Water Survey - Public Domain
unknown - Public Domain
avlxyz - CC BY-SA 2.0
Phil Konstantin - Public Domain
Original uploader was Paxart -
Ottoline Morrell - Public Domain
Title / Titre :Simon McGillivray - Public Domain
C.M. Stieglitz, World Telegram staff photographer - Public Domain
unknown -
Leonard Dalton Abbott - Public Domain
U.S. Department of Energy - Public Domain
Hstokar - CC BY 3.0
Harris & Ewing, photographer - Public Domain
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Lesula - CC BY-SA 3.0
Saijonmaa, Arja
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Heuglin, Theodor von 1824-1876
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Anonymous photographer - Public Domain
Kœchlin, Charles, 1867-1950
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Fiorilli, Tiberio, 1608-1694
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Illinois State Water Survey - Public Domain
Bartow, Edward, 1870-1958
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Snyder, Vic, 1947-
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D'Avenant, William, Sir, 1606-1668
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Burnet, F. M. (Frank Macfarlane), Sir, 1899-1985
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unknown - Public Domain
Axne, Cindy, 1965-
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avlxyz - CC BY-SA 2.0
Stein, Rick
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Piene, Chloe, 1972-....
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Field, Walter
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Phil Konstantin - Public Domain
Brown, Jim, 1936-....
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Brown, Jacob, 1775-1828
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Leslie, George Dunlop, 1835-1921
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Fleischmann, Rudolf, 1903-2002
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Carroll, Earl
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Original uploader was Paxart -
Kraus, Philip A.
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Ottoline Morrell - Public Domain
Toksvig, Signe, 1891-1983
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Boott, Francis, 1792-1863
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Title / Titre :Simon McGillivray - Public Domain
McGillivray, Simon, 1783-1840
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C.M. Stieglitz, World Telegram staff photographer - Public Domain
Moses, Robert, 1888-1981
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unknown -
Onassis, Aristotle, 1906-1975
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Leonard Dalton Abbott - Public Domain
Abbott, Leonard Dalton, 1878-1953
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U.S. Department of Energy - Public Domain
Smyth, Henry de Wolf 1898-1986
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Monmouth, James Scott, Duke of, 1649-1685
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Hstokar - CC BY 3.0
Wuorinen, Charles
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Peucer, Kaspar, 1525-1602
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Harris & Ewing, photographer - Public Domain
Compton, Wilson Martindale, 1890-1967
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Kenyon, Lloyd Kenyon, Baron, 1732-1802