James Wasserman, Nancy Wasserman, Aleister Crowley (2013). “To Perfect This Feast: A Performance Commentary on the Gnostic Mass”, p.83, Red Wheel/Weiser
Aleister Crowley (1913). “Liber CCCXXXIII [i.e. Trecentesimus Tricesimus Tertius]: The Book of Lies, which is Also Falsely Called, Breaks : the Wanderings Or Falsifications of the One Thought of Frater Perdurabo, which Thought is Itself Untrue”