| I. | The Nature of the Spiritual Crisis of the Nineteenth Century | May 5, 1905 |
| II. | The Mystery of the Head and That of the Lower Man | May 6, 1905 |
| III. | Cultural Phenomena | July 1, 1905 |
| IV. | A Century in Review: 1823 to 1923 | July 6, 1905 |
| V. | Community-Building in Central Europe | July 7, 1905 |
| VI. | European Culture and Its Connection with the Latin Language | July 8, 1905 |
| VII. | The Gnostic Foundations of Pre-Christian Imagination of Europe | July 15, 1905 |
| VIII. | The Three Perspectives of Anthroposophy: The Physical | July 20, 1905 |
| IX. | Three Perspectives of Anthroposophy: The Soul | July 21, 1905 |
| X. | Three Perspectives of Anthroposophy: The Spiritual | July 22, 1905 |
| XI. | The World of Dreams as a Transitional Current between the Physical-Natural World and the World of Moral Concepts | September 22, 1905 |
| XII. | Jakob Böhme, Paracelsus, Swedenborg | September 23, 1905 |
