Whitford, H.N. and Alfred, A.  <br/><br/>
Rubber production in Africa  (Book) 

 - Washington  Government printing  1926 
 - 136 p.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rubber -- Africa
<br/><br/><label>Universal Decimal Class. No.: </label>678.338(6) WHI  / 10448