1. Blum, R. H., Students and Drugs (Jossey-Bass, San Francisco, 1969).
2. Goode, E., Social Problems, 17, 48 (1969).
3. McGlothlin, W. H., Arnold, D. O., and Rowan, P. K., Psychiatry (in the press).
4. Presidential Task Force Report: Narcotics, Marijuana and Dangerous Drugs, Hearings before the Subcommittee to Investigate Juvenile Delinquency of the Committee on the Judiciary, United States Senate, Ninety-First Congress, September 15–October 20, 571, 1969.
5. Kaplan, J., in Indian Hemp Drugs Commission Report, 1893–1894 (Jefferson, Silver Spring, Maryland, 1969).