Ross, David F. <br/><br/>
A historical study of Puerto Rico program of economic development 
David F. Ross. 
 - San Juan  Editorial Edil  1969. 
 - 187 p. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>val00000650  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Economy.