1. Buhrmann, M. Vera (1984).Living in Two Worlds. Cape Town, South Africa: Human & Rousseau.
2. Craver, Forrest (1991). James Swan on aligning oneself with sacred places.Wingspan, April?June, 1.
3. Howard, Jerry (1991). Paradise.Sanctuary, 30 17?19.
4. Heinberg, Richard (1988).Rethinking Psychiatry: From Cultural Category to Personal Experience. New York: The Free Press.
5. Lame Deer, John (Fire), & Erdoes, Richard (1979).Lame Deer; Seeker of Visions. New York: Pocket Books.