1981 � Nils Christie, Limits to pain, Martin Robertson and Company, Oxford.
1994 � Nils Christie, Crime Control as Industry, Routledge, London.
1998 � Nils Christie, Gartnerstaten, in Amnety-Nytt, n. 5, pp. 12-13, Oslo.
1988 � David Downes, Contrasts in tolerance. Post-war penal policy in the Nederlands and England and Wales, Clarendon Press, Oxford.
1998 � Paul Farmer, Cruel and unusual: drug-resistant tuberculosis as punishment, Paper, Dep. Of Social Medicine, Harvard Medical School, 641 Huntington Ave, Boston, MA 02115 Usa.
1992 � Malcolm Feeley and Johnathan Simon, The new penology: notes on the emerging strategy of corrections and its implications, in "Criminology", vol. 30, n. 4.
1998 � Michael Massing, The blue revolution, in "New York Review of Books", vol. XLV, n. 18, pp. 32-36.
1998 � Thomas Mathiesen, Selective incapacitation revisited, in "Law and human behaviour", vol. 22, n. 4, pp. 455-469.
1998 � Moscow Centre for Prison Reform, Human being and prison, Moscow.
1998 � Eric Schlosser, The prison industrial complex, in "The Atlantic Monthly", vol. 208, n. 6, pp. 51-57.
1972 � Andrew von Hirsch, Prediction of criminal conduct and preventive confinement of convicted person, in "Buffalo Law Review", pp. 717-758.
1998 � Jean Wall, Elder care, in "Corrections today", vol. 60, n. 2, pp. 136-38 e p. 195.