Steiner's lectures in Kassel
52 lectures in 16 volumes of the collected works.
| GA | Title | When | Where | Size |
|---|---|---|---|---|
| 68a | The Essence of Christianity | 1903 to 1910 | Weimar, Leipzig, Düsseldorf | 56 lectures |
| 68b | The Circular Flow of Man's Life | 1904 to 1910 | Cologne, Berlin, Munich | 55 lectures |
| 68c | Goethe and the Present | 1889 to 1912 | Berlin, Munich, Leipzig | 35 lectures |
| 69d | Death and Immortality in the Light of Spiritual Science | 1910 to 1914 | Munich, Vienna, Kassel | 27 lectures |
| 70b | Ways to a Knowledge of the Eternal Forces of the Human Soul | 1915 to 1916 | Munich, Stuttgart, Basel | 17 lectures |
| 97 | The Christian Mystery | 1906 to 1907 | Cologne, Leipzig, Düsseldorf | 31 lectures |
| 100 | Human Development and Christ-Knowledge | 1907 | Kassel, Basel | 22 lectures |
| 112 | The Gospel of John | 1909 | Kassel | 14 lectures |
| 118 | The Advent of Christ in the Etheric World | 1910 | Rome, Munich, Stuttgart | 16 lectures |
| 130 | Esoteric Christianity and the Spiritual Guidance of Humanity | 1911 to 1912 | Munich, Neuchâtel, Kassel | 23 lectures |
| 168 | The Connection Between the Living and the Dead | 1916 | Zurich, Bern, Hamburg | 8 lectures |
| 246 | Supplements to Member Lectures | 1904 to 1924 | Dornach, Berlin, Stuttgart | 84 lectures |
| 261 | Our Dead | 1906 to 1924 | Dornach, Berlin, Basel | 55 lectures |
| 265a | Lessons for the Participants of Cognitive-Cultic Work 1906–1924 | 1906 to 1924 | Berlin, Munich, Basel | 67 lectures |
| 277a | The Origin and Development of Eurythmy 1912–1918 | 1908 to 1918 | Dornach, Bottmingen, Munich | 74 lectures |
| 277d | The Origin and Development of Eurythmy 1923–1925 | 1923 to 1925 | Dornach, Stuttgart, Berlin | 214 lectures |