Sufism :  critical concepts in Islamic studies / 
edited by Lloyd Ridgeon 
 - London ;  New York :  Routledge,  2008 
 - 4 v. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780415419437 (set)  RM3668.75 9780415426237 (volume 1) 9780415426244 (volume 2) 9780415426251 (volume 3) 9780415426268 (volume 4) 
<br/><br/><label>LCCN: </label>2007-036629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sufism