Crone, Patricia, 1945- <br/><br/>
Slaves on horses : the evolution of the Islamic polity 
Patricia Crone 
 -  Cambridge University Press Cambridge  1980  c1980 
 - ix, 302 p. ;23 cm. 
<br/><br/> Based on part of the author's thesis, University of London, 1973- Preface, p. ix  Includes bibliographical references (p. 272-287) and indexes 
<br/><br/><label>ISBN: </label>0521229618 0521529409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Islamic Empire - Politics and government.--DS
<br/><br/><label>LC Class. No.: </label>DS38.5.C76 1980