Machine derived contents note: Acknowledgements -- Introduction -- 1. The emergence of the "drug problem": social change versus social control -- 2. Control systems from exchange in networks: towards a synthesis of system and action theory -- 3. Stratification in information and referral exchange -- 4. Exchange relationships in social-control system -- 5. The social system: boundary maintenance and hierarchical control -- 6. Summary: the control system in context -- Appendixes -- Notes -- Bibliography -- Name index -- Subject index