| 其他書名 | Its Beneficent Potentialities : the Blavatsky Lecture, Delivered at the Summer School of the Theosophical Society in England, King Alfred's College, Winchester, UK, Sunday 29 July 2001 |
| 出版 | Theosophical, 2001 |
| URL | http://books.google.com.hk/books?id=wYQoMwEACAAJ&hl=&source=gbs_api |