Polanco-Abreu, Santiago. <br/><br/>
The economic development of Puerto Rico. 

 - Washington, D.C.  Office of the Commonwealth of Puerto Rico  1966. 
 - 9 p. 
 - Puerto Rico booklets  no. 3 .
<br/><br/> "Speech delivered before the Society for International Development, Washington, D.C., February 24, 1965". 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Economic conditions.