Carl Gustav Jung, Herbert Read, Michael Fordham, Gerhard Adler (1963). “Mysterium coniunctionis, an inquiry into the separation and synthesis of psychic opposites in alchemy”
Carl Gustav Jung, Herbert Read, Michael Scott Montague Fordham, Gerhard Adler (1970). “The Collected Works of C. G. Jung: Mysterium coniunctionis, an inquiry into the separation and synthesis of psychic opposites in alchemy”