Abul-Haggag, Y. <br/><br/>
Buḥūth fī al-ʻālam al-ʻArabī, 
li-Yūsuf Abū al-Ḥajjāj. 
 - [al-Qāhirah,  al-Dār al-Qawmīyah lil-Ṭibāʻah wa-al-Nashr,  1965] 
 - 279 p.  illus., maps.  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>ne 67000406  
<br/><br/><label>LC Class. No.: </label>AC106  / .A35