C. E. Bosworth Ed. <br/><br/>
Encyclopadia of Islam 
C. E. Bosworth Ed. 
 - Leiden  E. J. Brill UK      1974 
 -  Vol. 4 .
<br/><br/><label>Standard No.: </label>5,089 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>Q7k, E3;K0(RR)