Aspects of the Thought of P.D. Ouspensky by Micha
This article places Ouspensky's ideas in historic context within modern philosophic thoughts.
Ouspensky, P. D. (1878-1947)
Biographical essay, from Encyclopedia of Occultism and Parapsychology.
Petyr Demianovich Ouspensky (1878-1947)
From the Skeptic's Dictionary.