Ouspensky P D <br/><br/>
Tertium organum th ethird canon of thought; a key to the enigmas of the world tr by Nicholas Bessaraboff and Claude Bragdon 

 - 3rd 
 -  1949 
<br/><br/><label>Standard No.: </label>71,294 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R3xM78, H9