Waldberg, Michel. <br/><br/>
Gurdjieff :  An approach to his ideas / 
Michel Waldberg ; Transl. by Steve Cox. 
 - London ;  Boston :  Routledge & Kegan Paul,  1981. 
 - xiii, 158 p. :  ill. ;  22 cm. 
<br/><br/> Translation of: Gurdjieff. 
<br/><br/>Bibliogr.: p. 158. 
<br/><br/><label>ISBN: </label>0710008112 (pbk.) 
<br/><br/><label>Subjects--Personal Names: </label><br/>Gurdjieff, Georges Ivanovitch, 1872-1949