GA 332a
| Date | Title | City |
|---|---|---|
| 24 Oct 1919 | The Social Future I | Zürich |
| 25 Oct 1919 | The Social Future II | Zürich |
| 26 Oct 1919 | The Social Future III | Zürich |
| 28 Oct 1919 | The Social Future IV | Zürich |
| 29 Oct 1919 | The Social Future V | Zürich |
| 30 Oct 1919 | The Social Future VI | Zürich |