J. [John] J. [Jamieson] C. [Carswell] Smart, An Outline of a System of Utilitarian Ethics. Melbourne University Press, on behalf of The University of Adelaide, 1961. Note that it also states: "London and New York: Cambridge University Press".  This is the first version of "Jack" Smart's essay, later revised and published as the first half of Utilitarianism: For and Against (Cambridge University Press, 1973), together with a companion essay by Bernard Williams.