first edition in book form, of second part only, with unsigned inscription by jung "To Dr. Ralph C. Hamill / with the author's compliments" on the title-page. Hamill was a co-founder of the American Psychology Association, and was also a patient of Jung's at one point. 'The present work was his first major statement after his break with Freud. In it he rejects Freud's concept of the libido as sexual in origin and describes it as a creative force or psychic energy'---Heirs of Hippocrates 2302. Garrison-Morton 4985.2.