Crone, Patricia,  1945- <br/><br/>
God's caliphs :  religious authority in the first centuries of Islam / 
Patricia Crone and Martin Hinds 
 - Cambridge :  Cambridge University Press,  1986 
 - 157 p. ;  22 cm. 
 - University of Cambridge Oriental publications;  no. 37 .
<br/><br/><label>ISBN: </label>0521321859 
<br/><br/><label>LCCN: </label>85-26992 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caliphate<br/>Islam and state
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Islamic Empire--Politics and government