1. Drug Abuse: A Course for Educators, (Weinswig Melvin H., and Doerr Dale W., eds.), Butler University College of Pharmacy, Indianapolis, 1968, pp. 8–10, 24–30.
2. Drug Abuse: Escape to Nowhere, Smith Kline & French Laboratories, Philadelphia, 1967, pp. 15–25, 55–65.
3. Harris McIsaac, and Schuster, Drug Dependence, University of Texas Press, Austin, 1970, p. 130.
4. Resource Book for Drug Abuse Education, National Clearinghouse for Mental Health Information, U.S. Department of Health, Education, and Welfare, Washington, D.C., Oct. 1969, pp. 39, 41.
5. Webster's Seventh New Collegiate Dictionary, G. & C. Merriam Company, Springfield, Mass., 1965, p. 200.