Four lectures given at Dornach, Switzerland 25th June 2nd July, 1922
Anthroposophical Publishing Company London
First Published 1960
Translation from shorthand reports unrevised by the lecturer, by V. Compton-Burnett, C. Davy, D. S. Osmond, K. Wegener. Published by permission of the Rudolf Steiner Nachlassverwaltung, Dornach, Switzerland.