GA 170
| Date | Title | City |
|---|---|---|
| 29 Jul 1916 | The Riddle of Humanity I | Dornach |
| 30 Jul 1916 | The Riddle of Humanity II | Dornach |
| 31 Jul 1916 | The Riddle of Humanity III | Dornach |
| 05 Aug 1916 | The Riddle of Humanity IV | Dornach |
| 06 Aug 1916 | The Riddle of Humanity V | Dornach |
| 07 Aug 1916 | The Riddle of Humanity VI | Dornach |
| 12 Aug 1916 | The Riddle of Humanity VII | Dornach |
| 13 Aug 1916 | The Riddle of Humanity VIII | Dornach |
| 15 Aug 1916 | The Riddle of Humanity IX | Dornach |
| 21 Aug 1916 | The Riddle of Humanity X | Dornach |
| 26 Aug 1916 | The Riddle of Humanity XI | Dornach |
| 27 Aug 1916 | The Riddle of Humanity XII | Dornach |
| 28 Aug 1916 | The Riddle of Humanity XIII | Dornach |
| 02 Sep 1916 | The Riddle of Humanity XIV | Dornach |
| 03 Sep 1916 | The Riddle of Humanity XV | Dornach |