Title: Tertium Organum: A Key to the Enigmas of the World
Author: P. D. Ouspensky, Nicholas Bessaraboff and Claude Bragdon (trans.)
Publisher: Kegan Paul, Trench, Trubner & Co., 1923. 2nd edition, revised.
Condition: Hardcover, no dust jacket. Noticeable wear, but book is well-bound and text is clean. Bookplate on endpaper, “Alfred & Frances Pape). Inscription on ffep. 336pp., with a foldout table. App 10″ by 6.5”.