Mahmud, Hassan Ahmad <br/><br/>
al-'Alam al-Islami fi al-'asr al-'Abbasi / 
Hassan Ahmad Mahmud 
 - al-Qahirah :  Dar al-Fikr al-'Arabi,  1966 
 - 646 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Islamic Empire--History