Willock, Colin <br/><br/>
Africa's Rift Valley / 
by Colin Willock and the editors of Time- Life Books with photographs by Goetz D. Place 
 - Amsterdam :  Time-Life Books,  1974 
 - 184 p. :  ill., (some col.) maps. ;  26 cm. 
 - The World's wild places .
<br/><br/>Bibliography : p. 180 
<br/><br/><label>LCCN: </label>74-190367 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Rift Valley<br/>Natural history--Africa
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Rift valley