1. Defining the Business, Prentice-Hall, Englewood Cliffs, NJ, 1980.
2. A Concept of Corporate Planning, John Wiley, New York, 1970.
3. Organizations and Environments, Prentice-Hall, Englewood Cliffs, NJ, 1979.
4. ‘Industrial analysis in economics’, in and (eds), Oxford Studies in the Price Mechanism, Oxford University Press, Oxford, 1951.
5. Barriers to New Competition, Harvard University Press, Cambridge, Mass., 1956.