ISBN 9781438237961 books & textbook
Tertium Organum: The Third Canon Of Thought, A Key To The Enigmas Of The World
Ouspensky, P. D. Smith C.Hyp. Msc.D., Dr. Jane Ma'ati
CreateSpace Independent Publishing Platform /2008-06-11 Paperback / 302 Pages
isbn-10: 1438237960 / isbn-13: 9781438237961
