Aḥmad, Ḥasab Allāh Muḥammad. <br/><br/>
Qiṣṣat al-ḥaḍārah fī al-Sūdān :  al-fatrah al-tārīkhīyah min 3400 q.m. ilá 1900 mīlādīyah / 
Ḥasab Allāh Muḥammad Aḥmad. 
 - [al-Qāhirah :  s.n.,  1966]. 
 - 402 p. :  map, plates ;  23 cm. 
<br/><br/><label>LCCN: </label>ne 68002717  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Sudan--Civilization.<br/>Sudan--History.
<br/><br/><label>LC Class. No.: </label>DT108  / .A498