• Aleister Crowley books:
• oto-usa.org: US Grand Lodge O.T.O. Website.
• Invisible Basilica of Sabazius: Sabazius X°, Primate of E.G.C. and National Grand Master General in the U.S.A., maintains this website which offers essays, rituals, and other material pertinent to E.G.C. and O.T.O.
• The Path of Mediation: Instructions regarding the proper procedure for member conflict resolution.