Philosophy of Spiritual Activity
Fundamentals of a Modern World Conception
By Rudolf Steiner
GA 4
Sixth edition, based on the original authorized Translation by
Prof. and Mrs. R. F. Alfred Hoernlé, revised and amended by
Hermann Poppelbaum, Phil.D.
Copyright © 1939
This e.Text edition is provided through the wonderful work of:
The Rudolf Steiner Publishing Co. London
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