Shalabi, Mahmud. <br/><br/>
Hayat'Umar / 
Mahmud Shalabi. 
 - 2nd ed. 
 - Beirut :  Dar al-Jil,  1974. 
 - 413 p. ;  24 cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>'Umar ibn al-Khattab, Caliph,  d. 644