Izdavač: Marshall, Morgan and Scott Ltd., London, Edinburg 1936;

Izdavač: The Macmillan Company, New York 1965;

Izdavač: Penguin Books Ltd., Harmondsworth 1961; Pelican books

Izdavač: Macmillan Press Ltd, London, Basingstoke 1973; Philosophy of Religion Series

Izdavač: Sphere Books Ltd., London 1973;

Izdavač: Bantam Books, New York 1977;

Izdavač: University of Pennsylvania Press, Philadelphia 1971;

Izdavač: Hamish Hamilton, London 1938; 1. izd.

Izdavač: Crossroad, New York 1985; World Spirituality: An Encyclopedic History of the Religious Quest: knj. 16

Izdavač: Crossroad, New York 1986; World Spirituality: An Encyclopedic History of the Religious Quest: knj. 13

Izdavač: Abacus, London 1976;

Izdavač: Rider and Company, London 1974;