1. Results from the 2007 National Survey on Drug Use and Health: National Findings,2008
2. Results from the 2009 National Survey on Drug Use and Health. Volume I. Summary of National Findings,2010
3. Monitoring the Future: National Survey Results on Drug Use, 1975–2007. Volume 2. College Students and Adults Ages 19–45;Johnston,2008
4. Monitoring the Future: National Results on Adolescent Drug Use—Overview of Key Findings;Johnston,2008
5. Treatment Episode Data Set (TEDS) Highlights—2007: National Admissions to Substance Abuse Treatment Services,2009