Izdavač: George Allen and Unwin Ltd, Humanities Press Inc, London-New York 1966; Muirhead Library of Philosophy

Izdavač: Yale University Press 1973;

Izdavač: Fontana, Collins 1973;

Izdavač: Fontana, Collins 1976;

Izdavač: The Johns Hopkins University Press 1978;

Izdavač: Clarendon Press, Oxford 1976;

Izdavač: Clarendon Press, Oxford 1975;

Izdavač: Schocken Books 1980;

Izdavač: Routledge, London 1972;

Izdavač: The World Publishing Company, New York 1971;

Izdavač: Anchor Books, New York 2008;

Izdavač: Ann Arbor Paperbacks, The University of Michigan Press, Toronto 1961;