Columbia subject headings:
Drug addicts--Legal status, laws, etc.--United States.
Drugs--Law and legislation--United States.
Narcotic laws--United States.
Harvard subject headings:
Drug addicts--Legal status, laws, etc.--United States
Drugs of abuse--Law and legislation--United States--Criminal provisions
Drugs--Law and legislation--United States
Narcotic laws--United States
Princeton subject headings: