References
- Anslinger H. J., Tompkins W. F. The Traffic in Narcotics. Funk and Wagnalls Co, New York 1953
- Kolb L. Drug addiction in its relation to crime. Mental Hygiene 1925; 9: 74–89
- The Presidents' Commission on Crime in the District of Columbia Report. U.S. Government Printing Office, Washington, D.C. 1966
- The Presidents' Commission on Law Enforcement and Administration of Justice Task Force Report: Narcotics and Drug Abuse. U.S. Government Printing Office, Washington, D.C. 1967