Siddiqi, Amir Hasan.  <br/><br/>
Caliphate and sultanate / 
Amir Hasan Siddiqi 
 - 2nd ed. 
 - Karachi :  Jamiyat-ul-Falah,  1963 
 - viii, 220 p. :  24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caliphate
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Iran--History--640-1500
<br/><br/><label>Dewey Class. No.: </label>297.65  / SIC 1963