GA 320
| Date | Title | City |
|---|---|---|
| 23 Dec 1919 | The Light Course I | Stuttgart |
| 24 Dec 1919 | The Light Course II | Stuttgart |
| 25 Dec 1919 | The Light Course III | Stuttgart |
| 26 Dec 1919 | The Light Course IV | Stuttgart |
| 27 Dec 1919 | The Light Course V | Stuttgart |
| 29 Dec 1919 | The Light Course VI | Stuttgart |
| 30 Dec 1919 | The Light Course VII | Stuttgart |
| 31 Dec 1919 | The Light Course VIII | Stuttgart |
| 02 Jan 1920 | The Light Course IX | Stuttgart |
| 03 Jan 1920 | The Light Course X | Stuttgart |