Rubber production in Africa 

 - Washington :  Government Printing Office,  1926 
 - 136 p. 
 - Trade promotion series  ; 34 .
 - Trade promotion series  ; 34 .
<br/><br/><label>LCCN: </label>39798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Aspectos economicos--Africa.<br/>Caucho.
<br/><br/><label>Dewey Class. No.: </label>338.47678  / E83r