| I. | Theosophy and the Further Development of Religions (The Bible-Babel Question) | April 15, 1903 |
| II. | The Major Theosophical Teachings | April 17, 1903 |
| III. | Theosophy and the Scientific Spirit of the Present | April 20, 1903 |
| IV. | The Essence of Man or The Spiritual Chemistry | October 23, 1903 |
| V. | The Pilgrimage of the Soul | November 20, 1903 |
| VI. | World Law and Human Destiny: A Christmas Reflection | December 11, 1903 |
| VII, | Theosophy, Buddhism, Spiritism | February 26, 1903 |
| VIII. | Theosophy in the Gospels — An Easter Reflection | March 25, 1904 |
| IX. | The Relationship of the Germanic Peoples to Christianity | July 26, 1904 |
| X. | Christian Mysticism — The Masters of Cologne: Eckhart, Albertus Magnus | November 28, 1904 |
| XI. | On the Essence of Christianity | January 23, 1905 |
| XII. | The Wisdom Teachings of Christianity | April 17, 1905 |
| XIII. | The Kernel of Wisdom in Religions | December 3, 1905 |
| XIV. | Answering Questions | December 17, 1905 |
| XV. | The Kernel of Wisdom in Religions | January 19, 1906 |
| XVI. | Human Freedom | February 11, 1906 |
| XVII. | The Wisdom Teachings of Christianity | February 21, 1906 |
| XVIII. | Germanic and Indian Secret Doctrine | April 22, 1906 |
| XIX. | Internal Development | April 23, 1906 |
| XX. | Germanic and Indian Secret Doctrine | April 24, 1906 |
| XXI. | On Lucifer | November 9, 1906 |
| XXII. | The Children of Lucifer | December 14, 1906 |
| XXIII. | The Bible and Wisdom | January 14, 1907 |
| XXIV. | The Bible and Wisdom | January 17, 1907 |
| XXV. | The Origin of Evil | January 18, 1907 |
| XXVI. | Esoteric Christianity | March 6, 1907 |
| XXVII. | Theosophy, Buddhism and Christianity | March 17, 1907 |
| XXVIII. | The Parable of the Unjust Steward. Luke 16 | April 9, 1907 |
| XXIX. | The Bible and Wisdom | April 25, 1907 |
| XXX. | The Bible and Wisdom I | May 23, 1907 |
| XXXI. | The Bible and Wisdom II | May 24, 1907 |
| XXXII. | The Bible and Wisdom I | June 8, 1907 |
| XXXIII. | The Bible and Wisdom II | June 9, 1907 |
| XXXIV. | The Gospel of St. John and the Future of Christianity | December 14, 1907 |
| XXXV. | Initiation | December 18, 1907 |
| XXXVI. | The Dangers of Initiation | December 19, 1907 |
| XXXVII. | Religion, Science and Theosophy | January 31, 1908 |
| XXXVIII. | The Spirit of Truth from a Christian Point of View | February 21, 1908 |
| XXXIX. | The Gospel of John from a Theosophical Point of View | April 4, 1908 |
| XL. | The Bible and Wisdom | November 3, 1908 |
| XLI. | The Apostle Paul and Theosophy | December 7, 1908 |
| XLII. | The Kernels of Wisdom in Religions | February 3, 1909 |
| XLIII. | The Significance of Christianity for the Future | February 4, 1909 |
| XLIV. | The Ten Commandments | February 26, 1909 |
| XLV. | The Occult Significance of the Gospel of St. John | February 28, 1909 |
| XLVI. | The Entry of Christianity in the Western World | May 12, 1909 |
| XLVII. | The Higher Significance of the Gospel of St. John | November 6, 1909 |
| XLVIII. | The Gospels | November 17, 1909 |
| XLIX. | Christ and Spiritual Science | November 30, 1909 |
| L. | The Three Millenia Before and After Christ | February 23, 1910 |
| LI. | The Nature of Human Destiny | September 13, 1910 |
| LII. | Theosophy and the Bible | September 14, 1910 |
| LIII. | Theosophy and the Bible | November 29, 1910 |