Oxford University Press, London 1974

Oxford University Press, London 1957

Oxford University Press, London, Oxford, New York 1973

London, Oxford University Press. 1975

London, Oxford University Press. 1970.

London, Oxford University Press, 1975.

London, Oxford University Press, 1970.

Oxford-London, Oxford University Press. 1976

New York-London-Toronto, Oxford University Press. 1971

London: Oxford University Press, 1964 (3rd. impr. 1970).

London-Oxford-New York, Oxford University Press. 1970

London/New York/Toronto, Oxford University Press 1973

London/New York/Toronto, Oxford University Press 1972

Tokyo-London-New York-Melbourne, Oxford University Press 1975

London-Stanford, Oxford University Press.-Stanford University Press. 1973