Puerto Rico y su industria azucarera. 

 - San Juan, P.R.  [1937] 
 - 21 p.  tables. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sugar--Manufacture and Refining--Puerto Rico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Industries.