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Inloes, Amina (2018). "Muhammad Abd al-Rahman (Phillip) Barker: Bridging Cultural Divides through Fantasy/Science-Fiction Role-Playing Games and Fictional Religion". The Muslim World. 108 (3): 387–418. doi:10.1111/muwo.12225. ISSN1478-1913.
Barker, Phillip (Spring 1950). "The Language Problem". Fanscient (11). Portland, Oregon: Donald B. Day: 28–30. Archived from the original on December 25, 2018. Retrieved October 13, 2009.
Barker, Phillip (Summer 1950). "-and the STRONG Shall INHERIT". Fanscient (12). Portland, Oregon: Donald. B. Day: 28–31. Archived from the original on December 25, 2018. Retrieved October 13, 2009.
Gomel, Elana (2000). "The Plague of Utopias: Pestilence and the Apocalyptic Body". Twentieth Century Literature. 46 (4): 405–433. doi:10.2307/827840. ISSN0041-462X. JSTOR827840.
Barker, Phillip (Spring 1950). "The Language Problem". Fanscient (11). Portland, Oregon: Donald B. Day: 28–30. Archived from the original on December 25, 2018. Retrieved October 13, 2009.
Barker, Phillip (Summer 1950). "-and the STRONG Shall INHERIT". Fanscient (12). Portland, Oregon: Donald. B. Day: 28–31. Archived from the original on December 25, 2018. Retrieved October 13, 2009.
Gomel, Elana (2000). "The Plague of Utopias: Pestilence and the Apocalyptic Body". Twentieth Century Literature. 46 (4): 405–433. doi:10.2307/827840. ISSN0041-462X. JSTOR827840.
Inloes, Amina (2018). "Muhammad Abd al-Rahman (Phillip) Barker: Bridging Cultural Divides through Fantasy/Science-Fiction Role-Playing Games and Fictional Religion". The Muslim World. 108 (3): 387–418. doi:10.1111/muwo.12225. ISSN1478-1913.