G. I. Gurdjieff
Beelzebub's Tales: Chapter I, Beelzebub's Tales: Chapter II, Beelzebub's Tales: Chapter III, Beelzebub's Tales: Chapter IV, Beelzebub's Tales: Chapter IX, Beelzebub's Tales: Chapter V, Beelzebub's Tales: Chapter VI, Beelzebub's Tales: Chapter VII, Beelzebub's Tales: Chapter VIII, Beelzebub's Tales: Chapter X
P. D. Ouspensky
G. I. Gurdjieff: Parable of the Magician and His F, Sayings by Georges Ivanovitch Gurdjieff, Symbolism of the Tarot, The Modern Riddle of the Sphinx
Guide to Practical Exercises
The extracts are long direct quotes from Gurdjieff, Ouspensky, and Maurice Nicoll.