Rudolf Steiner in English
From Volume 145 of the Complete Works
The Effects of Spiritual Development
10 lectures The Hague
Paperback, 154 pages. Rudolf Steiner Press, 1978.
ISBN: 0-85440-320-5
Notes about this volume:
3rd edition 1978. New translation by A. H. Parker. (Previous editions of the same material under different titles).
This book contains the entire content of Volume 145 of the Complete Works, though it is not a Complete Works edition.
Lectures in this volume: 10
