Steiner's lectures in Wiesbaden
4 lectures in 4 volumes of the collected works.
| GA | Title | When | Where | Size |
|---|---|---|---|---|
| 68b | The Circular Flow of Man's Life | 1904 to 1910 | Cologne, Berlin, Munich | 55 lectures |
| 68d | The Nature of Man in the Light of Spiritual Science | 1905 to 1909 | Munich, Berlin, Leipzig | 32 lectures |
| 127 | The Mission of the New Spirit Revelation | 1911 | Berlin, Munich, Basel | 17 lectures |
| 246 | Supplements to Member Lectures | 1904 to 1924 | Dornach, Berlin, Stuttgart | 84 lectures |