13 lectures in Berlin and Cologne, Oct. 11, 1906 - Apr. 26, 1907 by Rudolf Steiner. (CW 55) [Some of these lectures appear to be from very abbreviated notes]
Lecture 1. The Significance of Supersensible Knowledge
Lecture 2. Blood Is a Very Special Fluid
Lecture 3. The Origin of Suffering
Lecture 6. Education in the Light of Spiritual Science
Lecture 7. Education and Spiritual Science
Lecture 8. Insanity in the Light of Spiritual Science
Lecture 10. Stages in Man's Development in the Light of Spiritual Science
Lecture 11. Who are the Rosicrucians?