"Lovecraft stories with similar themes include "The Call of Cthulhu", "The Colour Out of Space", "The Whisperer in Darkness" and "The Case of Charles Dexter Ward".Some consider "The Space Vampires" to be so Lovecraftian that authors such as Daniel Harms and John Wisdom Gonce have classed it as actually being a part of the Cthulhu mythos.