Hanson, Earl Parker <br/><br/>
Puerto Rico, ally for progress 
Earl Parker Hanson ; a searchlight original under the general editorship of George W. Hoffman, G. Etzel Pearcy. 
 - Princeton, N.J.  Van Nostrand  c1962. 
 - 136 p.  ill.  21 cm. 
 - Van Nostrand searchlight book  no. 7 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>LCCN: </label>62053267  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--History.<br/>Puerto Rico--Economic conditions.