An extensive list of publications and online tables are available from this U.S. government site.
This site is one of the best places to learn about drugs from a policy reform standpoint.
These sites are two of the most informative government sites.
Mega site for criminal justice offers links to government agencies, think tanks, data archives, interest groups, etc. There are plenty of resources for those interested in courts, drugs and crime, crime statistics, and more.
The Open Directory Project maintains thousands of criminology links, covering fields such as of sociology and other disciplines that deal with crime. There are also links to academic papers and international criminal justice sites.
This site maintains many links in the areas of criminal justice, sociology of deviance and violence and abuse.
These sites provide extensive information on drug policy reform.