Cardona, Luis Antonio. <br/><br/>
A directory of doctoral research on Puerto Ricans in the United States of America / 
collected, developed, and edited by Luis Antonio Cardona. 
 - Georgia:  Carreta Press;  c1990. 
 - 120 p.  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0914199072  28.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puerto Ricans--Bibliography<br/>Puerto Ricans--Bibliography.--United States