1. Cooper G: Drug Cases, Sentences Up Sharply Since 1984. Washington Post. A02-August 20, 2001
2. Walters JP: The Christian Science Monitor Breakfast. The Christian Science Monitor. March 13, 2002.
3. Index I crimes, generally considered the most serious crimes, are comprised of murder and non-negligent manslaughter, forcible rape, robbery, aggravated assault, burglary, larceny-theft, motor vehicle theft, and arson.
4. Substance Abuse and Mental Health Services Administration: Results from the 2002 National Survey on Drug Use and Health: National Findings (Office of Applied Studies, NHSDA Series H-22, DHHS Publication No. SMA 03-3836). 2003, Rockville, MD
5. Substance Abuse and Mental Health Services Administration: 2001 National Survey on Drug Use and Health. 2002, Chapter 9.2: