Al-Ahsan,Abdullah. <br/><br/>
The History of Al-Khilafah Ar-Rashidah. 
Dr.Abdullah al-Ahsan. 
 - Lahore.  Suhail Academy.  2000. 
 - 116p. 
<br/><br/> Papercover. 
<br/><br/><label>ISBN: </label>9695192998 
<br/><br/><label>Dewey Class. No.: </label>909.097671