Grafton. 1991 [1975]. ISBN 0-586-20838-0. Price, RobertM. Introduction: Ghost Riders in the Sky. RobertM. Price (ed.) (编). The Ithaqua Cycle: The Wind-Walker
182. William Fulwiler, "E.R.B. and H.P.L.", Black Forbidden Things, RobertM. Price, ed., p. 62. Lovecraft, Howard P. The Nameless City. S. T. Joshi (编)
Derleth, "H. P. Lovecraft—Outsider," p. 18, Crypt of Cthulhu #93. RobertM. Price, The Innsmouth Cycle, p. 34. Chalker, Jack L.; Mark Owings. The Science-Fantasy