Ali, Hamid. <br/><br/>
Omar :   the empire builder, commander of the faithful, second caliph of Islam / 
Hamid Ali. 
 - 1st ed. 
 - Dacca :   Pakistan press syndicate,  1961. 
 - viii, 391 p. ;  18 cm. 
<br/><br/>51  51 
<br/><br/><label>Subjects--Personal Names: </label><br/>Umar ibn al-Khaṭṭāb, -- Caliph, 644. 
<br/><br/><label>Dewey Class. No.: </label>290.92 / H18o