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Noel Bonczoszek - CC BY-SA 4.0
Phil Konstantin - Public Domain
Julian Bell (1908-1937) - Public Domain
Delaware County Historical Association, Delhi, New York. - Public Domain
Charles Bernard Tiernan - Public Domain
Manuelvbotelho - CC BY-SA 3.0
zeitgenössischer Maler um 1720 - Public Domain
Reno, Conrad - Public Domain
George Perkins Merrill (redrawn from C. Weber) - Public Domain
Public Domain
unknown -
CERN - CC BY-SA 4.0
National Geographic Society - Public Domain
unknown photographer - Public Domain
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Sullivan, Algernon Sydney, 1826-1887
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Tencin, Claudine-Alexandrine Guérin de, 1682-1749
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Grandi, Dino, 1895-1988
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Noel Bonczoszek - CC BY-SA 4.0
Vardill, John, 1749-1811
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Macdonald, J. H. A. (John Hay Athole), 1836-1919
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Phil Konstantin - Public Domain
Brown, Jim, 1936-....
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Julian Bell (1908-1937) - Public Domain
Bell, Julian, 1908-1937,
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Benelli, Giovanni, 1921-1982
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Delaware County Historical Association, Delhi, New York. - Public Domain
Sherwood, Samuel, 1779-1862
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Alfieri, Vittorio, 1749-1803
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Kenojuak, 1927-2013
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Freundlich, Herbert, 1880-1941
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Michelstaedter, Carlo, 1887-1910
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Charles Bernard Tiernan - Public Domain
Somerville, William C. (William Clarke), 1790-1826
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Ivanov, V. I. (Vi︠a︡cheslav Ivanovich), 1866-1949
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Scudder, John, 1793-1855
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Manuelvbotelho - CC BY-SA 3.0
Reis, Cabrita, 1956-
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Butt, Alfred, 1878-1962
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zeitgenössischer Maler um 1720 - Public Domain
Howard, Philip Thomas, 1629-1694
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Reno, Conrad - Public Domain
Aldrich, P. Emory (Peleg Emory), 1813-1895
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George Perkins Merrill (redrawn from C. Weber) - Public Domain
Jackson, Charles T. (Charles Thomas), 1805-1880
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Desportes, Philippe, 1546-1606
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Public Domain
Montiano y Luyando, Agustín de 1697-1764
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Galatin, Ignatius J. (Ignatius Joseph), 1910-2004
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unknown -
Dopper, Cornelis
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CERN - CC BY-SA 4.0
Hove, L. van (Léon).
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National Geographic Society - Public Domain
Hayden, Edward Everett, 1858-1932
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unknown photographer - Public Domain
Abendroth, Irene
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Newman, Charles, 1938-2006
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Baker, Diane, 1938-....