• Legal
• Governmental / Legislative
• Reform-oriented

Legal

• The criminal defense practitioner's guide to legal information on the web
• The Marijuana Tax Act of 1937
• A wealth of information for legal professionals, students, business professionals and the general public
• General search capabilities arranged by subject

Governmental/Legislative

• The official guide to information from the U.S. Government
• Official website for the Supreme Court of the United States
• The definitive guide to Congressional information, including the
  text of pending bills and lists of sponsors

Reform-oriented

• The official Website for the American Civil Liberties Union
• The newsletter for the international scientific society advocating the
  improvement of the legal situation for the use of the hemp plant (Cannabis
  sativa L.)
• Drug Reform Coalition Network
• This is the official website for the Drug Policy Alliance, dedicated to
  finding steps that can and should be taken soon to reduce the harms
  associated with both drug use and failed U.S. policies.
• The Media Awareness Project
  A media network dedicated to drug policy reform
• The Marijuana News
  A website devoted to freedom and marijuana law reform
• http://www.potbust.com/ 
  Sponsored by a Seattle attorney who is also a member of NORML's Legal Committee, this site provides practical information for legal practitioners
  and victims of the war on marijuana.
• http://www.rxmarijuana.com/ 
  Website provides a wealth of information about medical and other uses of marijuana, hosted by Dr. Lester Grinspoon, author of Marijuana: The
  Forbidden Medicine.