Steiner's lectures in Bielefeld
3 lectures in 3 volumes of the collected works.
| GA | Title | When | Where | Size |
|---|---|---|---|---|
| 68a | The Essence of Christianity | 1903 to 1910 | Weimar, Leipzig, Düsseldorf | 56 lectures |
| 85 | Appendix to the Public Lectures | 1886 to 1922 | Berlin, Stuttgart, Dornach | 116 lectures |
| 127 | The Mission of the New Spirit Revelation | 1911 | Berlin, Munich, Basel | 17 lectures |