Inward Light, 1072. Softcover. Article is based upon the tenth Jung Memorial Lecture (1971) delivered by Keller at the Jung Institute in Zurich. Very Good. Item #7497
Nineteen-page article in Inward Light, Volume XXXV, No. 81, Spring 1972. Octavo, pp. 6-25.. Green stapled wraps. Clean, unmarked copy.