General Studies
Ancuta, Katarzyna. Where Angels Fear to Hover: Between the Gothic Disease and the Metaphysics of Horror. Frankfurt Am Main: Peter Lang, 2005.
Brief discussions of The Face That Must Die and Dark Companions.
Carter, Lin. Lovecraft: A Look Behind the Cthulhu Mythos. Mercer Island, WA: Starmont House, 1992.
Colavito, Jason. Knowing Fear: Science, Knowledge and the Development of the Horror Genre. Jefferson, NC: McFarland, 2008.
Mentions Campbell at various points, and discusses The Face That Must Die with only one paragraph.
Joshi, S.T. The Modern Weird Tale. Jefferson, NC: McFarland, 2001.
Drawn from Joshi's previously published work on Campbell. Approaches Campbell's work from several angles--dream and reality, art and reality, urban life, paranoia, childhood, and prose style. Remarks that even though some of Campbell's work falls flat, this prolific artist produces consistently good work that rises above most of his contemporaries writing in the form.
Joshi, S.T., ed. Icons of Horror and the Supernatural: An Encyclopedia of Our Worst Nightmares. 2 vols. Westport, CT: Greenwood Press, 2007.
A good collection of essays on horror icons, such as ghosts and vampires and their appearance in the arts. Campbell is mentioned or discussed in a number of the essays.
King, Stephen. Danse Macabre. New York: Berkeley, 2001.
Notes that Campbell carries on the pioneering "urban horror" of Leiber in his short stories and especially the novel The Parasite.
Mitchell, Charles P. The Complete H. P. Lovecraft Filmography. Westport, CT: Greenwood Press, 2001.
Campbell's stories have influenced films based on Lovecraft's work. Regards Campbell as the leading practitioner of the modern Lovecraftian tale.
Murphy, Margaret. The Book of Liverpool: A City in Short Fiction. Comma Press, 2007.
Salomon, Roger B. Mazes of the Serpemt: An Anatomy of Horror Narrative. Ithaca: Cornell University Press, 2002.
Studies Campbell's stories that contain the motif of the doppelganger. A salient example of this is "The Scar."
Sawyer, Andy, and David Seed, eds. Speaking Science Fiction: Dialogues and Interpretations. Liverpool: Liverpool University Press, 2000.
Briefly discusses Campbell's papers, which are housed at the library of Liverpool University.
Varnado, S.L. Haunted Presence: The Numinous in Gothic Fiction. Tuscaloosa: University of Alabama Press, 1987.
In studying the "numinous" in Gothic Fiction, Vazrnado discusses modern writers such as Campbell. He notes that Campbell "displays a sophisticated employment of techniques and themes developed by earlier masters of the genre, such as Henry James, Arthur Machen, and H. P. Lovecraft."