GA 108
| No. | Lecture Title | Book Title | Date | City |
|---|---|---|---|---|
| 1. | Reflections on the Higher Worlds | Regarding Higher Worlds | 21 Nov 1908 | Vienna |
| 2. | What is Self Knowledge? | What is Self Knowledge? | 23 Nov 1908 | Vienna |
| 3. | The Astral World. The Life Between Two Incarnations | Untranslated | 02 Dec 1908 | Breslau |
| 4. | The Ten Commandments | The Ten Commandments | 14 Dec 1908 | Stuttgart |
| 5. | On the Path of Knowledge | The Way of Knowledge | 17 Jan 1909 | Pforzheim |
| 6. | Questions on the Law of Karma | Untranslated | 21 Nov 1909 | St. Gallen |
| 7. | Novalis and His Hymn of the Night | Novalis | 26 Oct 1908 | Matinee |
| 8. | The Christmas Mystery. With an Introduction by Novalis | The Christmas Mystery, Novalis, the Seer | 22 Dec 1908 | Berlin |
| 9. | The Interpretation of Fairy Tales | Untranslated | 26 Dec 1908 | Berlin |
| 10. | The Position of Anthroposophy to Philosophy | Untranslated | 14 Mar 1908 | Berlin |
| 11. | On Philosophy | Untranslated | 20 Mar 1908 | Munchenstein |
| 12. | Formal Logic I | Untranslated | 20 Oct 1908 | Berlin |
| 13. | Formal Logic II | Untranslated | 28 Oct 1908 | Berlin |
| 14. | On Philosophy and Formal Logic | Untranslated | 08 Nov 1908 | Munich |
| 15. | Hegel's Theory of Categories | The Theory of Categories | 13 Nov 1908 | Berlin |
| 16. | Practical Training in Thinking | Practical Training In Thought (1966) | 18 Jan 1909 | Kassel |
| 16. | Practical Training in Thinking | Practical Training In Thought (1928) | 18 Jan 1909 | Kassel |
| 17. | Friedrich Nietzsche in the Light of Spiritual Science | Untranslated | 10 Jun 1908 | Düsseldorf |
| 18. | The Mission of Savonarola | The Mission of Savonarola | 27 Oct 1908 | Berlin |
| 19. | The Rishis | The Rishis | 13 Dec 1908 | Stuttgart |
| 20. | A Chapter of Occult History | A Chapter of Occult History | 16 Dec 1908 | Nuremberg |
| 21. | Occult History II | Untranslated | 14 Feb 1909 | Nuremberg |