Von Franz, Marie Louise. Time, Rhythm, and Repose. London: Thames and Hudson. 1978.
–. On Divination and Synchronicity. Toronto, Canada: Inner City Books. 1980.
Walsh, Roger N. The Spirit of Shamanism. New York: Jeremy P. Tarcher/Perigee. 1990.
–. «Lucid Dreaming: Some Transpersonal Implications.» Journal of Transpersonal Psychology 24, no. 2 (1992): 193–200.
Watts, Alan. The Book: On the Taboo against Knowing Who You Are. New York: Vintage. 1972.
Williams, Cecil. No Hiding Place, Empowerment, and Recovery For Our Communities. San Francisco: Harper. 1994.
Wolf, Fred Alan. The Dreaming Universe: A Mind-Expanding Journey into the Realm Where Psyche and Physics Meet. New York: Touchstone. 1995.