Donner, Fred Mcgraw. <br/><br/>
The early islamic conquests :   

 - Princeton :  Princeton University Press,  1981. 
<br/><br/><label>ISBN: </label>1597402001 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arab countries--History.<br/>Arabism.<br/>History .<br/>Islamic Empire--History--622--661.
<br/><br/><label>LC Class. No.: </label>DS38.1.D66