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Singer, J. & Lambert, K. (1976) FREY-ROHN, LILIANE, From Freud to Jung: a comparative study of the psychology of the unconscious. Trans. from the German by Fred E. Engreen and Evelyn K. Engreen. New York. G. P. Putnam's Sons for the C. G. Jung Foundation, 1974. 345 pp. $16.00.. Journal of Analytical Psychology 21:226-227