The Influence of Spiritual Beings upon Man by Rudolf Steiner. A Collection of 11 lectures given in Berlin (CW 102) between January 6 and June 11, 1908.
Lectures concern (no titles):
1. Beings of the Astral Plan and Devachan
2. Planets and Zodiac, Time and Duration.
3. Origin of our solar system from the standpoints of natural science and spiritual science.
4. The Warmth element on Ancient Saturn
5. World evolution through Saturn, Sun, Moon, and Earth.
6. The Time Reversal in the recapitulation of evolutionary conditions.
7. The spiritual hierarchies above man
9. Birth and Death in animal and man.