Crowley wrote 'The Gnostic Mass' — technically called Liber XV or "Book 15" — in 1913 while travelling in Moscow, Russia. The structure is similar to the Mass of the Eastern Orthodox Church and Roman Catholic Church, communicating the principles of Thelema. It is the central rite of Ordo Templi Orientis and its ecclesiastical arm, Ecclesia Gnostica Catholica.
Crowley wrote. 'The Gnostic Mass' — technically called Liber XV or "Book 15" — in 1913 while travelling in Moscow, Russia. The structure is similar to the Mass of the Eastern Orthodox Church and Roman Catholic Church, communicating the principles of Thelema. It is the central rite of Ordo Templi Orientis and its ecclesiastical arm, Ecclesia Gnostica Catholica