Carl Gustav Jung, Herbert Read, Gerhard Adler, Michael Scott Montague Fordham (1974). “The Collected Works of C.G. Jung: Mysterium coniunctionis, an inquiry into the separation and synthesis of opposites in alchemy”
Carl Gustav Jung, Herbert Read, Michael Scott Montague Fordham, Gerhard Adler (1972). “The Collected Works of C.G. Jung: The structure and dynamics of the psyche”