The Heart of the Master
A visionary and poetic summary of Thelema, the Holy Qabalah, the Tree of Life and the Tarot.
Crowley's comprehensive treatise on the Qabalah, culled from Part V of "The Temple of Solomon the King" (printed in The Equinox I:5) and reprinted as "Gematria" in 777. It includes the essays "Qabalistic Dogma" and "An Essay Upon Number."
Revised O.T.O. Constitution of 1917
This historical document was written by Theodor Reuss, the first Outer Head of the Order, which was largely based on the MMM Constitution written in 1913 by Aleister Crowley.