This is volume two of the Eranos Yearbooks (the published papers of the legendary annual Eranos Conferences.)
The included papers are as follows: 1) The Indian Theories of Redemption in the Frame of the Religions of Salvation; The Doctrine of Grace in the Religious Thought of India by Paul Masson-Oursel, 2) The Meaning of the Eleusinian Mysteries by Walter F. Otto, 3) The Mysteries of the Kabeiroi by C. Kerenyi, 4) The Orphic Mysteries and the Greek Spirit by Walter Willi, 5) The Ancient Mysteries in the Society of their Times, Their Transformation and Most Recent Echoes by Paul Schmitt, 6) The "Mysteries" of Osiris in Ancient Egypt by Georges Nagel, 7) The Mysteries and Religion of Iran by Jean De Menasce, 8) The Mystery of the Ka'Ba: Symbol and Reality in Islamic Mysticism by Fritz Meier, 9) Jesus' Round Dance and Cruxifiction According to the Acts of John by Max Pulver, 10) The Mystery of the Serpent by Hans Leisegang, 11) Symbolic Representations of the Eucharist by Julius Baum, 12) Transformation Symbolism in the Mass by C.G. Jung, and 13) The Christian Mystery and the Pagan Mysteries by Hugo Rahner.
The papers were translated from the original French and German by Ralph Manheim (except for the paper by Jung which was translated by R.F.C. Hull.) The editor is Joseph Campbell, who also wrote a brief foreword. The papers were published by the Bollingen Foundation (Bollingen was the name of Jung's home on Lake Zurich.)