Hazel M. Denning, True Hauntings: Spirits with a Purpose. St. Paul, MN: Llewellyn, 1996.

Editors of Time—Life Books, Phantom Encounters. Alexandria, VA: Time—Life Books, 1988.

Hilary Evans and Patrick Huyghe, The Field Guide to Ghosts and Other Apparitions. New York: Quill/HarperCollins, 2000.

Rosemary Ellen Guiley, The Encyclopedia of Ghosts and Spirits. 2nd ed. New York: Facts On File, 2000.

Joe Nickell, Real—Life X—Files: Investigating the Paranormal. Lexington: University of Kentucky Press, 2001. See also other books by this author.

Tom Ogden, The Complete Idiot's Guide to Ghosts and Hauntings. Indianapolis: Macmillan/Alpha Books, 1999.

Harry Price, Poltergeist: Tales of the Supernatural. 1945. Reprint, London: Bracken Books, 1993.

William G. Roll, The Poltergeist. Metuchen, NJ: Scarecrow, 1976.

John and Anne Spear, The Encyclopedia of Ghosts and Spirits. London: Headline, 1992.

Philip Stander and Paul Schmolling, Poltergeists and the Paranormal. St. Paul, MN: Llewellyn, 1996.

G.N.M...