Ground work of Nigerian history / 
edited by Obaro Ikime 
 - Ibadan:  Heinemann Educational Books ,  1980 
 - vii, 615p. ill, 
<br/><br/> Include index 
<br/><br/><label>ISBN: </label>9781299541 
<br/><br/><label>LC Class. No.: </label>DT 1314