Islam in tribal societies :  from the Atlas to the Indus / 
edited by Akbar S. Ahmed and David M. Hart. 
 - London :  Routledge & Kegan Paul,  1983. 
 - vii, 343 p. :  ill. ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tribes and tribal system--Islamic countries--Addresses, essays, lectures.<br/>Islam--Addresses, essays, lectures.--20th century