کتاب های Gregory Spencer
Linguistics and Style
Nils Erik Enkvist, John Spencer, Michael J. Gregory, 1964
Ominous Realities: The Anthology of Dark Speculative Horrors
William Meikle; John F.D. Taff; Gregory L. Norris; Hugh A.D. Spencer; Bracken MacLeod; T. Fox Dunham; Edward Morris; Ken Altabef, 2013
