1. The Association of Marihuana Smoking with Opiate Addiction in the United States
2. “Youth and the Hazards of Affluence.”;Blaine,1966
3. “Students and Drugs.”;Blum,1969
4. “The World of Youthful Drug Use.”;Blumer,1967
5. “Drugs and Michigan High School Students.”;Bogg,1968