Frater FP - Sigils In Theory and Practice
Frater FP - Pocket Guide to Chaos Magick
Frater Achad - The Anatomy Of The Body Of God
Order of Nine Angles - The Methods and Tradition of The Sevenfold Way
Aleister Crowley - The Cephaledium Working
Emile Boutroux - Le Philosophe Allemand Jacob Boehme (1888,in French)
