| Title: | Philosophy of Spiritual Activity |
| Author: | Rudolf Steiner |
| Publisher: | Rudolf Steiner Publishing Company, London |
| Translation: | Sixth edition, based on the original authorized Translation by Prof. and Mrs. R. F. Alfred Hoernlé, revised and amended by Hermann Poppelbaum, Phil.D. |
| Year Publ: | 1939 |
| ISBN/LCN: | None |
| Pages: | 221 |
| Type: | Hardcover |
| Size: | 5 1/4 x 8 1/4 inches |
|
