found: LC in OCLC, May 12, 1999(Jean Ray is the pseudonym of Jean Raymond de Kremer used in general for his French writings; he generally uses John Flanders as a Dutch pseudonym)
found: OCLC database, seen 25 July 2014(access point: Ray, Jean, 1887-1964)
found: Premiers textes, 2009:p. 5 (Jean Ray never mentioned his first writings that were published under the name Raymond De Kremer and Reimond De Kremer)
found: Amicale Jean Ray www site, viewed 5 June 2015:biography page (Jean Marie De Kremer; Gand, 1887-1964; alias Jean Ray, alias John Flanders)
notfound: Visions infernales, c1984: t.p. (John Flanders)