A set of lectures given in Helsinki, April 3-14, 1912 with 4 additional addresses and an introduction by René Querido. CW number 136
For your convenience, below is a zip file of this entire set of lectures. It does require that you have an unzipping utility of some kind on your computer. For you mac people this is built in.
The Entire Book The Spiritual Beings in the Heavenly Bodies and in the Kingdoms of Nature 1912
Introduction by Rene Querido
Address to Russians 1
Address to Russians 2
Public Lecture 1 National Epics and the Kalevala
Public Lecture 2 Occultism and Initiation