Abu al-Nasr,'Umar. <br/><br/>
Khulafa' Muhammad :  'Ali ibn Abi Talib / 
ta'lif'Umar Abu al-Nasr. 
 - Beirut  Matba'at al-Wataniyah /  1936. 
 - 312 p. ;  26 cm. 
<br/><br/>p. 306-310. 
<br/><br/><label>Subjects--Personal Names: </label><br/>'Ali ibn Abi Talib, Caliph,  600 (ca.)-661