GA 222
| No. | Lecture Title | Book Title | Date | City | 1. | Lecture I | The Driving Force of Spiritual Powers in World History | 11 Mar 1923 | Dornach | 2. | Lecture II | The Driving Force of Spiritual Powers in World History | 12 Mar 1923 | Dornach | 3. | Lecture III | The Driving Force of Spiritual Powers in World History | 16 Mar 1923 | Dornach | 4. | Lecture IV | The Driving Force of Spiritual Powers in World History | 17 Mar 1923 | Dornach | 5. | Lecture V | The Driving Force of Spiritual Powers in World History | 18 Mar 1923 | Dornach | 6. | Lecture VI | The Driving Force of Spiritual Powers in World History | 22 Mar 1923 | Dornach | 7. | Lecture VII | The Driving Force of Spiritual Powers in World History | 23 Mar 1923 | Dornach |
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