^"Powys, Theodore Francis" in Christine L. Krueger, Encyclopedia of British Writers, 19th and 20th Centuries Infobase Publishing, 2009 (ردمك 1-4381-0870-2) (p. 303)
^Margarita Carretero González, Encarnación Hidalgo Tenorio, Behind the Veil of Familiarity: C.S. Lewis (1898–1998). Peter Lang, 2001 (ردمك 0820450995) (p. 305).
^Gervais, David. "T. F. Powys: Invention and Myth. English". The Journal of the English Association 45.181 (Spring 1996): 62–78.
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