Metadata
| Title: | The philosophy of spiritual activity | |
| Author: | Rudolf Steiner (1861–1925) | [Info] |
| Editor: | Harry Collison (1868–1945) | [Info] |
| Translator: | Agnes Winifred Tucker Hoernlé (1885–1960) | [Info] |
| Translator: | Reinhold Friedrich Alfred Hoernlé (1880–1943) | [Info] |
| Language: | English | |
| Original publication date: | 1922 |