Ouspensky, P. D. <br/><br/>
Tertium organum the third cannon of thought :  a key to the engmas of the world / 
[by] P. D. Ouspensky ; translated [from the Russian] by Nichlas Bessaraboff and Claude Bragdon 
 - New York :  Alfred A. Knope,  1951 
 - xv, 306 p. ;  24 cm. 
<br/><br/><label>ISBN: </label> USD 10.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Consciousness<br/>Philosophy