1. Recent Changes in the Pattern of Drug Abuse in the United Kingdom;Bewley;Bulletin of Narcotics,1966
2. Drug Addiction. Second Report of the International Committee on Drug Addiction,1965
3. The Drug Scene in Great Britain;Glatt,1967
4. Paper read at a meeting of the British Society of Criminology;James,1967
5. Willis, J. H. Unpublished.