Cooperson, Michael <br/><br/>
Al-Ma'mun / 
Michael Cooperson 
 - Oxford :  Oneworld Publications,  2006 
 - xii, 144 p. :  ill. ;  20 cm. 
 - Makers of the Muslim world .
<br/><br/>Bibliography of works cited : p. 133-136 
<br/><br/><label>ISBN: </label>1851683860  RM72.18 
<br/><br/><label>Subjects--Personal Names: </label><br/>Ma'mun, Caliph,  786-833 --Criticism and interpretation