This project is focused on collecting and sharing bibliographical information of books and periodicals published by any publisher in any language at any time that is about Aleister Crowley, Thelema, or any of the groups or organizations he was a member of, was in, or any groups or organizations subsequently created. This includes The Hermetic Order of the Golden Dawn, Ordo Templi Orientis, A.A., and all subsequent variations and offshoots. Membership is moderated but the list is available to anyone who wishes to use it.