1. “Teens”—a survery summary;Sinnott;Am. J. Catholic Youth Work,1968
2. Smoking habits of high school students related to intelligence and achievement;Salber;Pediatrics,1962
3. Extent and prevalence of illicit drug use as reported by 56,745 students;Gossett;J.A.M.A.,1971
4. Adolescent marijuana use: Report on a national survey;Josephson,1971
5. Stability and change in drug use patterns among high school students;Brown;Congressional Record,1971