Psychosynthesis a manual of principles and techniques /
Assagioli, Roberto,1888-
Psychosynthesis Research Foundation.
London Turnstone Books
1975
'This exposition ... has been made on behalf of the Psychosynthesis Research Foundation by its chairman ...' - Preface
Previous ed. of this translation: New York : Hobbs, Dorman, 1965
Includes index
Psychotherapy.