The Michael Mystery CW 26 partial, the 29 letters collected from The Leading Thoughts, by Rudolf Steiner. Translated by E. Bowen-Wedgewood and revised by George Adams.
Letter 1: At the Dawn of the Michael Age
Letter 2: The Human Soul before the Dawn of the Michael Age
Letter 3: The Pre-Michaelite Way, and the Way of Michael
Letter 4: Michael's Task in the Sphere of Ahriman
Letter 5: Michael's Experiences in the Fulfilment of his Cosmic Mission
Letter 6: Mankind's Future and the Work of Michael
Letter 7: Michael-Christ in Man
Letter 8: Michael's Mission in the Cosmic Age of Human Freedom
Letter 9: World-Thoughts in Michael and World-Thoughts in Ahriman
Letter 10: Before the Door of the Spiritual Soul (I)
Letter 11: Before the Door of the Spiritual Soul (II)
Letter 12: Before the Door of the Spiritual Soul (II, continued)
Letter 13: Before the Door of the Spiritual Soul (III)
Letter 14: A Christmas Contemplation: the Mystery of the Logos
Letter 15: Heavenly History, Mythological History, Earthly History. The Mystery of Golgotha
Letter 16: What is seen on looking back into Man's repeated Earth Lives
Letter 17: What is seen on looking back into Man's previous Lives between Death and new Birth (I)
Letter 18: What is seen on looking back into Man's previous Lives between Death and new Birth (II)
Letter 19: What is the Earth, in reality, in the Macrocosm?
Letter 20: Sleep and Waking, in the Light of the previous Observations
Letter 21: Gnosis and Anthroposophy
Letter 22: Man's Freedom and the Michael Age
Letter 23: Where is Man as a Thinking and Remembering Being?
Letter 24: Man in his Macrocosmic Being
Letter 25: Man's Sensing and Thinking Systems in their Relation to the World
Letter 26: Memory and Conscience
Letter 27: The apparent Extinction of the Knowledge of the Spirit in the New Age
Letter 28: Historic Upheavals at the Dawn of the Spiritual Soul