Smith, Dudley. <br/><br/>
Puerto Rico sugar facts 
by Dudley Smith and William M. Regua. 
 - Washington, D.C.  Association of Sugar Producers of Puerto Rico  1939. 
 - xii, 125 p.  illus., graphs., maps. 
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sugar growing<br/>Agriculture--Puerto Rico.<br/>Sugar--Manufacture and refining.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Sugar.