Moral Aspects of Legal Theory : Essays on Law, Justice and Political Responsibility. Cambridge : Cambridge university press, 1999. ISBN 978-0-521-43244-3 ISBN [1]
Translated into Spanish as Aspectos morales de la teoria juridica : ensayos sobre la ley, la justicia y la responsabilidad política ISBN 978-84-7432-601-7
Rights, Welfare, and Mill's Moral Theory. New York: Oxford University Press, 1994.ISBN 9780195082180 [3]
Ethics and the Rule of Law. Cambridge [Cambridgeshire]: Cambridge University Press, 1984. ISBN 978-0-521-27712-9 Held in over 1000 worldCat libraries.[4]
Translated into Polish as Etyka i rządy prawa ISBN 978-83-7261-058-4
Rights. (editor) The Wadsworth series in social philosophy. Belmont, Calif: Wadsworth Pub. Co, 1979. ISBN 978-0-534-00600-6 [5]
Translated into Spanish as Ética y derecho ISBN 978-84-344-1521-8
In the Interest of the Governed; A Study in Bentham's philosophy of utility and law. Oxford, Clarendon Press, 1973. ISBN 978-0-19-824503-2 [6]
Forms and Limits of Utilitarianism. Oxford: Clarendon Press, 1965. ISBN 978-0-19-824197-3 [7]