Themes of Islamic civilization / 
John Alden Williams, editor. 
 - Berkeley, Calif. :  University of California Press,  1971. 
 - 382 p. ;  24 cm. 
<br/><br/>p. 371-375 
<br/><br/><label>ISBN: </label>0520016858 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Islam--Collected works.