Scholars, saints, and Sufis :  Muslim religious institutions in the Middle East since 1500 / 
Edited by Nikki R. Keddie.  
 - Berkeley :  University of California Press ,  1972. 
 - 401 p. 
<br/><br/><label>ISBN: </label>0520036441 
<br/><br/><label>LC Class. No.: </label>BP185