Ross, David F. <br/><br/>
The long up hill path  a historical study of Puerto Rico's program of economic development 

 - San Juan, Puerto Rico  Talleres gráficos interamericanos  1966 
 - 187 p. 
<br/><br/> Also available in general collection. 
<br/><br/>Bibliography: p. 181-187. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Economic conditions.