Esoteric and Occult
- 423
- H. P. Blavatsky and Theosophy -- Theosophical Topics
- Material on H. P. Blavatsky, founder of The Theosophical Society, and on her writings on theosophy and theosophical teachings.
- 424
- H. P. Blavatsky and the Theosophical Movement
- A biography of Blavatsky and history of Theosophy. A Brief Historical Sketch By Charles J. Ryan. Second and Revised Edition edited by Grace F. Knoche.
- 428
- Pick a Blavatsky Quote
- These wisdom quotes and wise sayings are taken from the Esoteric Studies Guide, often they are from articles by H.P. Blavatsky.
- 429
- The Truth About Madame Blavatsky
- An open letter to the author of "Priestess of the Occult" regarding the charges against H. P. Blavatsky. A defense of Blavatsky by Walter A. Carrithers, Jr. (1947).
- 430
- Astrology and Magic of Giordano Bruno
- Biography and introduction to the astrology and magic of Bruno. Includes links to examples of astrological talismans under Bruno's methods and a Latin book online.
- 437
- Giordano Bruno Collection
- A collection of what historians and Freethinkers have said about Giordano Bruno.