Turnbull, Michael (2006). «St Peter's The Apostle»(documento). St Peter's The Apostle(en inglés). St Peter's Edinburgh. «On 28 October 1898, at the age of thirty-two, Gray entered the Scots College Rome.He was ordained by Cardinal Respighi at St John Lateran on 21 December 1901».
bookdepository.com
McCormack, Jerusha Hull (1991). John Gray, Poet, Dandy & Priest(en inglés). Brandeis UniversityPress. p. 39. Consultado el 13 de noviembre de 2013. «On 14 February 1890, at Saints Anselm and Cecilia, London John Gray was receivedinto the Roman Catholic Church and confirmed not long after».
smithsonianmag.com
Riess, Jeanie (13 de septiembre de 2012). «Ten Famed Literary Figures Based on Real-Life People»(en inglés). Smithsonian Magazine. Archivado desde el original el 5 de diciembre de 2013. Consultado el 13 de noviembre de 2013. «After the publication of The Picture of Dorian Gray people began to call John Gray Dorian, which made him so uncomfortable that he went so far as to sue a London publication for libel for making the association».
web.archive.org
Riess, Jeanie (13 de septiembre de 2012). «Ten Famed Literary Figures Based on Real-Life People»(en inglés). Smithsonian Magazine. Archivado desde el original el 5 de diciembre de 2013. Consultado el 13 de noviembre de 2013. «After the publication of The Picture of Dorian Gray people began to call John Gray Dorian, which made him so uncomfortable that he went so far as to sue a London publication for libel for making the association».
