This volume comprises original contributions by Carl Gustav Jung and Marie-Louise von Franz, along with additional works addressing analytical psychology. It is being published in honor of the centennial existence of the Psychology Club of Zurich (1916-2016). Contents: Foreword Andreas Schweizer, I Ching - The Book of the Play of Opposites Marie-Louise von Franz, Conversation on the Psychology Club Zurich Marie-Louise von Franz, The Goose Girl (Grimm's Fairy Tales, nr. 89) Regine Schweizer-Vüllers, "He struck the rock and the waters did flow" - The alchemical background of the gravestone of Marie-Louise von Franz and Barbara Hannah Tony Woolfson, "I came across this impressive doctrine" - Carl Gustav Jung, Gershom Scholem, and Kabbalah C.G. Jung, A Discussion about Aion, Psychological Society of Basel, 1952 Murray Stein, Jungian Psychology and the Spirit of Protestantism Marianne Jehle-Wildberger, Stations of a Difficult Friendship - Carl Gustav Jung and Adolf Keller Hermann Strobel, Aloneness as Calling Claudine Koch-Morgenegg, The Great Mystery - Individuation in Old Age Rudolf Högger, The Treasure Vase - On the many-sided Symbolism of an Archaic God-Image from the Stone Age to the Dreams of Modern Man.