1. Adams, Richard N. 1967 The Second Sowing. San Francisco: Chandler Publications.
2. Adams, Richard N. and Arthur J. Rubel. 1967 Sickness and social relations. In Handbook of Middle American Indians, 6. Edited by Robert Wauchope, University of Texas Press.
3. Benson, Herbert and David P. McCallie 1979 Angina pectoris and the placebo effect. New England Journal of Medicine 300 (June 21): 1424?1429.
4. Bergin, Allen E. 1971 The evaluation of therapeutic outcomes. In Handbook of Psychotherapy and Behavior Change. Edited by Allen E. Bergin and Sol L. Garfield. New York: John Wiley & Sons, Inc.
5. Bonilla, E. 1969 Spiritualism, psychoanalysis and psychodrama. American Anthropologist 71: 493?497.