Bourne, D. D., and Bourne, J. R. <br/><br/>
Thirty years of change in Puerto-Rico; a case study of ten selected rural areas   

 - New York  Praeger  1966 
 - xxvi, 411p. 
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>307.72097295  / B775.TY