The effects of spiritual development
By: Rudolf Steiner ; translated by A.H. Parker.
Contributors: Steiner, Rudolf, 1861-1925.
Edition: 3rd ed.
Publisher: Rudolf Steiner Press; Steiner Press, Rudolf
Published: 1978
Place of publication: London
Language: eng
Number of pages: 154
Subjects: Anthroposophy.
Notes: "A cycle of ten lectures given at the Hague from 20 to 29 March 1913".

Previous ed., published as The effect of occult development upon the self and the sheaths of man. London , Rudolf Steiner Publishing, 1945.

Translated from the German.