Puerto Rico : a selected list of recent references 
compiled by Ann Duncan Brown ; under the direction of Florence S. Hellman. 
 - Washington  1943. 
 - 44 p.  27 cm. 
<br/><br/><label>LCCN: </label>43051970  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Bibliography.<br/>Puerto Rico
<br/><br/><label>LC Class. No.: </label>Z1551  / .U5