Edited, with an Introduction. Ethical Theories: A Book of Readings. 2d ed. with revisions. New York: PrenticeHall, 1967.
(with A.R. Louch.) "John Lemmon:1930-1966." Proceedings and Addresses of the American Philosophical Association (October 1967), 40:119.
"Philosophy and the Understanding of Human Fact." In Avrum Stroll, ed., Epistemology: New Essays in the Theory of Knowledge, pp. 229249. Sources in Contemporary Philosophy. New York: Harper & Row, 1967.