References
- Jaffé, A. 1979. Apparitions: An Archetypal Approach to Death Dreams and Ghosts, Foreword C. G. Jung. Dallas, Texas: Spring Publications.
- Michell, J., and J. M. Rickard. 1977. Phenomena: A Book of Wonders. London: Thames & Hudson.
- Myers, F. 1903. Human Personality and Its Survival of Bodily Death, Ed S. Smith. New York: Longmans, Green.