P. D. Uspenskiĭ

Tertium Organum : the third canon of thought : a key to the enigmas of the world

P. D. Uspenskiĭ, Nicholas Bessaraboff, C. Bragdon, 1970 .

The psychology of man's possible evolution

P. D. Uspenskiĭ, 1981 .

The fourth way : a record of talks and answers to questions based on the teaching of G. I. Gurdjieff

P. D. Uspenskiĭ, 1957 .

A New Model of the Universe: Principles of the Psychological Method In Its Application to Problems of Science, Religion, and Art

P. D. Uspenskiĭ, 1971 .

In search of the miraculous : fragments of an unknown teaching

P. D. Uspenskiĭ, 1987 .