Lambton, Ann K. S.  1912- <br/><br/>
Theory and practice in medieval Persian government / 
A.K.S. Lambton. 
 - London :  Variorum,  1980. 
 - 388 p. ;  23 cm. 
 - Collected studies series. .
<br/><br/><label>ISBN: </label>0860780678 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Iran--Politics and government.