The Spiritual Hierarchies and their Reflection in the Physical World (CW 110): 2. The Four Elements, Fire, and the Elemental Beings: the Lowest Realm of the Hierarchies (April 12, 1909 Evening)

The Spiritual Hierarchies and their Reflection in the Physical World: Reality and Illusion, a lecture cycle of 10 lectures Given in Dusseldorf, April 12 - 18, 1909 (CW 110) combined with a collection of 5 lectures given in Berlin entitled "The Inner Realities of Evolution" or "The Inner Experiences of Evolution"