Dorvillier, William J. <br/><br/>
Workshop, U. S. A.  the challenge of Puerto Rico. 

 - New York  Coward-McCann  [1962] 
 - 121 p.  ill. 
 - Challenge books: eye witness reports .
<br/><br/><label>LCCN: </label>62018263  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico