Nicoll, Maurice - Simple Explanation of Work Ideas
Nicoll, Maurice - Dream Psychology
Nicoll, Maurice - Psychological Commentaries on the Teaching of Gurdjieff and Ouspensky Volume 5
Gurdjieff, George - Views From the Real World
Gurdjieff, George - The Struggle of the Magicians
Neubauer, Zdenek - Prirodni vedy a nabozenstvi (Novy Areopag)
Castaneda, Carlos - 05 Druhy Kruh Sily