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GorillaWarfare - CC0 1.0
Harry Gair -
Frederick Hollyer - Public Domain
I, KENPEI - CC BY-SA 3.0
Marion, Ohio public schools - Public Domain
Pianoman24 - CC BY-SA 3.0
zeitgenössischer Stecher, 1860 - Public Domain
Jcraford - CC BY-SA 3.0
unknown - Public Domain
Public Domain
Environmental Protection Agency - Public Domain
Kenneth Allen -
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GorillaWarfare - CC0 1.0
Ganz, Marshall, 1943-....
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Mann, Golo, 1909-1994
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Harry Gair -
Gair, Harry A.
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Frederick Hollyer - Public Domain
Beeching, H.C. (Henry Charles), 1859-1919
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Warren, Lindsay C. (Lindsay Carter), 1889-1976
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Kay, Don
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I, KENPEI - CC BY-SA 3.0
Ihara, Saikaku, 1642-1693
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Gamarra, Agustín, 1785-1841
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Marion, Ohio public schools - Public Domain
McNay, Marion Koogler
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Bocage, Manuel María Barbosa du, 1765-1805
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Pianoman24 - CC BY-SA 3.0
Sultanov, Alexei
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Falconer, Hugh, 1808-1865
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Wilson, Henry Braid, 1861-1954
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zeitgenössischer Stecher, 1860 - Public Domain
Lewald, August, 1792-1871
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Ellis, William Webb, 1807-1872
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Jcraford - CC BY-SA 3.0
Youngblood, Gene, 1942-....
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Necker, Jacques, 1732-1804
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unknown - Public Domain
Collier, John, 1913-1992
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Launey, Bernard René Jourdan, marquis de, 1740-1789
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Public Domain
Carpenter, F.B. (Francis Bicknell), 1830-1900
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Public Domain
Maginnis, Martin, 1841-1919
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Joyce, Ernest E. Mills (Ernest Edward Mills), -1940
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unknown - Public Domain
Martens, Fedor Fedorovich, 1845-1909
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Rothstein, H. (Hugo), 1810-1865
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Kornberg, Roger D.
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Environmental Protection Agency - Public Domain
Costle, Douglas M. (Douglas Michael), 1939-2019
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unknown - Public Domain
Bonney, T.G. (Thomas George), 1833-1923
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Medawar, P. B. (Peter Brian), 1915-1987
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Kenneth Allen -
March, Sydney (British architect, 1876-1968, active in Canada)
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Hess, Harry Hammond, 1906-1969