Aleister Crowley - Pocket Guide to Thelema
Aleister Crowley - The Equinox Vol III No IX The Holy Books Of Thelema
Aleister Crowley - Brief Introduction To The Religion Of Thelema
Saint Yves D'Alveydre - Mission des Souverains (1884,in French)
Aleister Crowley - Liber 666 The Master Therion A Biographical Note
Pt Shriram Sharma Acharya - The Eternity of Sounds and the Science of Mantras