Cooperson, Michael. <br/><br/>
Al-Maʼmun / 
 Maʼmūn 
Michael Cooperson. 
 - Oxford :  Oneworld,  c2006 [Reprinted2009] 
 - xii, 144 p. :  ill. ;  23 cm. 
 - Makers of the muslim world .
 - Makers of the Muslim world .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1851683860 (hbk.) 9781851683864 
<br/><br/><label>Subjects--Personal Names: </label><br/>Maʼmūn, Caliph,  786-833. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Islamic Empire--History--750-1258.
<br/><br/><label>Dewey Class. No.: </label>297.2  / COA 2009