Twitchell, Karl Saben, 1885-1968. <br/><br/>
Saudi Arabia  with an account of the development of its natural resources 
by K.S. Twitchell With the collaboration of Edward J. Jurji and R. Bayly Winder 
 - 3rd ed. 
 - New York  Greenwood Press  1969 
 - xiv, 281 p. : ill. , maps, ports.; 23 cm. 
<br/><br/>p. 263-268. 
<br/><br/><label>ISBN: </label>083712364X 
<br/><br/><label>LCCN: </label>69-14126 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Saudi Arabia