Gurdjieff : the key concepts Sophia Wellbeloved - New York ; London Routledge c2003 - xxxi, 271 p. : ill. ; 23 cm Includes bibliographical references (p. 255-267) and index ISBN: 9780415248976 ISSN: 2002031685 Subjects--Topical Terms: Gurdjieff, Georges Ivanovitch, 1872-1949 Dewey Class. No.: 197 WEL