1. American Medical Association Report of Council on Mental Health. Journal of the American Medical Association, 1958, 168, 186–187.
2. American Psychiatric Association. Position statement. Washington, D.C.: American Psychiatric Association, 1961.
3. American Psychological Association. Ethical standards of psychologists. APA 1333. Washington, D.C.: American Psychological Association, 1953.
4. California Legislature. California Interim Committee Reports. 1963–1965, Vol. 9 #26. North Highlands, CA: California State Printer, 1966.
5. Carey v. Horton. Docket #73-4122, Lane County, Oregon. Feb. 27, 1975.