GA 77a
| Date | Title | City |
|---|---|---|
| 27 Jul 1921 | Nature Knowledge and Spirit Knowledge | Darmstadt |
| 28 Jul 1921 | Keywords (following a lecture by Dr. Unger) | Darmstadt |
| 28 Jul 1921 | The Spiritual Signature of the Present Time | Darmstadt |
| 28 Jul 1921 | Questions and Answers | Darmstadt |
| 29 Jul 1921 | Supplementary Remarks and Questions and Answers | Darmstadt |
| 29 Jul 1921 | The Task of Anthroposophy to Science and Life | Darmstadt |
| 30 Jul 1921 | Closing Words to the College Conference "Anthroposophy and Science" | Darmstadt |