Henry Cornelius Agrippa - Three Books Of Occult Philosophy Book I
Henry Cornelius Agrippa - Occult Philosophy and Magick Book I
William Wynn Westcott - Numbers Their Occult Power and Mystic Virtues
Order of Nine Angles - Empathy in the Esoteric Tradition of the O9A
Tuesday Lobsang Rampa - Beyond the Tenth
Aleister Crowley - An Essay In Ontology With Some Remarks On Ceremonial Magic