1. Advisory Council on the Treatment of Offenders (1963) Preventive Detention. London: HMSO.
2. Ancel, M. (1965) Social Defence. London: Routledge & Kegal Paul.
3. Ashworth, A. (1983) Sentencing and Penal Policy. London: Weidenfeld & Nicolson.
4. Ashworth, A. (2000) Sentencing and Criminal Justice. London: Butterworth.
5. Bloch, S. and Reddaway, P. (1977) Russia's Political Hospitals: the Abuse of Psychiatry in the Soviet Union. London: Gollancz.