GA 149
| No. | Lecture Title | Book Title | Date | City | 1. | Lecture I | Christ and the Spiritual World: The Search for the Holy Grail | 28 Dec 1913 | Leipzig | 2. | Lecture II | Christ and the Spiritual World: The Search for the Holy Grail | 29 Dec 1913 | Leipzig | 3. | Lecture III | Christ and the Spiritual World: The Search for the Holy Grail | 30 Dec 1913 | Leipzig | 4. | Lecture V | Christ and the Spiritual World: The Search for the Holy Grail | 31 Dec 1913 | Leipzig | 5. | Lecture V | Christ and the Spiritual World: The Search for the Holy Grail | 1 Jan 1914 | Leipzig | 6. | Lecture VI | Christ and the Spiritual World: The Search for the Holy Grail | 2 Jan 1914 | Leipzig |
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