| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1957 | 978-0-947550-00-4 | George King | Contact Your Higher Self Through Yoga |
| '' | 978-0-947550-01-1 | George King | Practices of Aetherius |
| '' | 978-0-947550-02-8 | '' | Cosmic Voice |
| 2004 | 978-0-947550-03-5 | George King · Richard Lawrence | Realise Your Inner Potential: A Spiritual Handbook for a New Age: No. 2 |