The collection consists of reports of meetings of P. D. Ouspensky with his followers in London (1921-1947) and his manuscripts of books and articles in Russian, French, and English. Included are In Search of the Miraculous, New Model of the Universe, and Tertium Organum. Also in the collection are printed copies of Ouspensky's books in various languages, selected articles by others on Ouspensky, and photographs.