Author: Ouspensky, P.D.
Title: TERTIUM ORGANUM: The Third Canon of Thought; A Key to the Enigmas of the World.
Description: London: Routledge & Kegan Paul, 1981. FINE cloth copy in a fine dust jacket. A revised translation by E. Kadloubovsky of Philokalia fame in concert with Mr. Ouspensky. 298 pages, indexed. Octavo.

Keywords: Gurdjieff Ouspensky Fourth Way esoteric