Rubber. 

 - Washington  [1954] 
 - 19 p.  illus.  23 cm. 
 - Its Commodity series .
 - Pan American Union.  Commodity series. .
<br/><br/><label>LCCN: </label>pa 55000029  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rubber.
<br/><br/><label>LC Class. No.: </label>SB291.H4  / P35