Publications about O.T.O.
An index of foundational Ordo Templi Orientis documents with dates
|XV||15||Ecclesiæ Gnosticæ Catholicæ Canon Missæ||1913|
|LII||52||Manifesto of the OTO||1919|
|CI||101||An Open Letter to those who may wish to join the Order||1919|
|CXXIV||124||Of Eden and the Sacred Oak||pre-1919|
|CLXI||161||The Law of Thelema||1919|
|CXCIV||194||An Intimation with Reference to the Constitution of the Order||1919|
|CCC||300||Khabs am Pekht||1919|
Elsewhere at the Hermetic Library:
Bye-laws with Reference to the Profess-Houses of the Order and its Colleges of the Holy Ghost (1914)
A Memorandum on O.T.O. Policy
Magick Without Tears, Chapter XIII: System of the O.T.O.
Confessions, Chapter 72 (Beginning with "What is Freemasonry?")
Pre-Crowley Pronunciamenti: Original translations into English of papers by Theodor Reuss and Carl Kellner.
An Account of O.T.O.: By the Chevalier de Seingalt, now revised and rewritten in the Universal Cipher.
And there is much more at the library and the Libri of Aleister Crowley …
The Gnostic Mass - Liber XV
Read further about the central rite of OTO and E.G.C., the Gnostic Mass, also called Liber XV, on Hermetic.com
THE GNOSTIC MASS: An Appreciation by A.T. Dennis
Masonic Legacy: Craft Symbolism in the Gnostic Mass by Frater S∴N∴B∴
An Analysis of the Gnostic Mass by Fr. V.I.T.R.I.O.L. & Sr. A.R.G.M.
Introduction to the Gnostic Mass by T. Apiryon
Read about the initial meeting of Theodor Reuss and Aleister Crowley in Magick Without Tears, Chapter 25 and The Confessions of Aleister Crowley, Chapter 72. See if you can find the IX○ secret Reuss accused Crowley of publishing in the Book of Lies, or Liber 333.
Some works on Ordo Templi Orientis which may be of interest to you are