Aziz, A. <br/><br/>
Abu Bakr : the caliph 
A. Aziz 
 - 
 - Karachi  Ghazanfar Academy  c1978. 
 - 266 p. :  24 cm. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Islam, Caliph--General
<br/><br/><label>Dewey Class. No.: </label>909.09 AZI