References
Alexander, C.N., Davies, J.L., Dixon, C.A., Dillbeck, M.C., Oetzel, R.M., Muehlman, J.M. & Orme-Johnson, D.W. (1990). Higher stages of consciousness beyond formal operations: The Vedic psychology of human development. In C.N. Alexander and E.J. Langer (Eds.), Higher stages of human development: Adult growth beyond formal operations, N.Y.: Oxford University Press.
Blackmore, Susan (1988). A theory of lucid dreams and OBEs. In J.I. Gackenbach and S.L. LaBerge (Eds.), Conscious mind, sleeping brain: Perspectives on lucid dreaming. NY: Plenum.
Father X (1985). Lucid dreams of out-of-body experiences: A personal case. Lucidity Letter, 4(2), 62-67.
Father X (1988). Letter to the editor. Lucidity Letter, 7(1), 80-82.
Father X (1989). Reflections on lucid dreaming and out-of-body-experiences. Lucidity Letter, 8(1), 35-45.
Father X (1990). Reflections on 20 years of 'conscious' sleep experiences. Lucidity Letter, 9(2), 53-57.
Gackenbach, J.I. & Bosveld, J. (1989). Control your dreams. NY: Harper & Row.
Gackenbach, J.I. & Prince, W. (June, 1992). Dreams and autobiographical experiences from Alberta natives and nonnatives. Paper presented at the annual meeting of the Association for the Study of Dreams, University of Calif., Santa Cruz.
Gackenbach, J.I. (1991). A developmental model of consciousness in sleep: From sleep consciousness to pure consciousness. In J.I. Gackenbach and A. Sheikh (Eds.), Dream images: A call to mental arms. N.Y.: Baywood.
Gackenbach, J.I. (1992). Childhood Experiences of Higher States of Consciousness: A Literature Review and Theoretical Integration. http://www.sawka.com/spiritwatch
Gackenbach, J.I. (1992-93). Adaptiveness of childhood transpersonal experiences in two Cree women: A Study. Lucidity, 11, 107-122.
Gackenbach, J.I. (1995). Reflections on Dreamwork with Central Alberta Cree: An Essay on an Unlikely Social Action Vehicle . In Bulkeley, K. (Ed.). Dreams, cultures, and values: The philosophical horizons of modern dream studies. NY: SUNY Press.
Gackenbach, J.I. (in preparation). The traditional death of Crow Woman, Winnipeg, Blizzard.
Hall, C.S. & Van de Castle, R.L. (1966). The content analysis of dreams. New York: Appleton-Century-Crofts.
Rechtschaffen, A. (1978). The single-mindedness and isolation of dreams. Sleep, 1, 97-109.
Wilber, K. (1987). The spectrum model. In D. Anthony, B. Ecker, & K. Wilber (Eds.), Spiritual choices, NY: Paragon.
Worsley, A. (1988). Lucid dreaming: Ethical issues. Lucidity Letter, 7(1), 4-5.