Riyāḍ, Zāhir. <br/><br/>
Tārīkh Ityūbiyā, 
taʼlīf Zāhir Riyāḍ. 
 - al-Qāhirah,  Maktabat al-Anjlū al-Miṣrīyah,  1966. 
 - 278 p.  illus.  24 cm. 
<br/><br/>Bibliography: p. 274-275. 
<br/><br/><label>LCCN: </label>ne 67000760  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Ethiopia--History.
<br/><br/><label>LC Class. No.: </label>DT381  / .R5