Toni Wolff was at first the patient, and later the friend, mistress for a time, long-term colleague and personal analyst of Swiss Psychiatrist Carl Jung. In addition to her work as the founder, leader and teacher for the Psychological Society in Zurich which led to the establishment of the world-renowned C.G. Jung Institute in Zurich/Kusnacht, she published a seminal but little known work called "Structural Forms of the Feminine Psyche" ("Der Psychologie," Berne, 1951). This treatise, certainly one of the first studies in Analytical Psychology, has been the subject of the authors'...