Puerto Rico  a report on business and trade 

 - New York  s.n.  1958 
 - 20 p.  illus., graphs, maps, photos. 
<br/><br/> Cover title. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Economic conditions--1918-<br/>Puerto Rico--Industries.<br/>Puerto Rico--Commerce.