1. Berkhofer, Jr., Robert F. 1978. The White Man’s Indian. New York: Knopf.
2. Deloria, Philip. 1998. Playing Indian. New Haven, CT: Yale University Press.
3. Eliade, Mircea. 1961. The Sacred and the Profane: The Nature of Religion. New York: Harper Torchbooks.
4. —. 1964. Shamanism: Archaic Techniques of Ecstasy. Princeton: Princeton University Press.
5. Figl, Johann. 1993. Die Mitte der Religionen: Idee und Praxis universalreligiöser Bewegungen. Darmstadt: Wissenschaftliche Buchgesellschaft.