Ouspensky P D <br/><br/>
Tertium organum    The third cannon of thought  

 - London  Routledge & Kegan Paul      1981 
 - xvi,298p.  cm. 
<br/><br/><label>Standard No.: </label>12,222 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SPIRITUALISM
<br/><br/><label>Dewey Class. No.: </label>/\xM78:3, J7;M1-;1