OUSPENSKY, P.D. <br/><br/>
Tertium organum: the third canon of thought / 
[by] P.D.Ouspensky 
 - London  Routledge and Kegan paul  1955 
 - xv, 306 p. 
<br/><br/><label>ISBN: </label>92598 
<br/><br/><label>Dewey Class. No.: </label>149.3  / OUS