↑ Perhaps these entities had come to prefer earth's inner abysses to the variable, storm-ravaged surface, since light meant nothing to them. Perhaps, too, they were slowly weakening with the aeons. Indeed, it was known that they would be quite dead in the time of the post-human beetle race which the fleeing minds would tenant. -The Shadow Out of Time.
Harms, Daniel (1998). "Great Race of Yith". The Encyclopedia Cthulhiana (2nd ed. ed.). Oakland, CA: Chaosium. pp. pp. 128-30. ISBN 1-56882-119-0.CS1 maint: extra text (link)
—"Pnakotic Manuscripts", pp. 242-3. Ibid.—"Pnakotus", p. 243. Ibid.
Lovecraft, Howard P. (1982) [1936]. "The Shadow Out of Time". The Best of H. P. Lovecraft: Bloodcurdling Tales of Horror and the Macabre (1st edition ed.). Ballantine Books. ISBN 0-345-35080-4.CS1 maint: extra text (link)
