Pico, Rafael. <br/><br/>
The geographic regions of Puerto Rico / 
Rafael Pico. 
 - Rio Piedras :  University of Puerto Rico Press,  1950. 
 - xiii, 256 pages :  illustrations, maps ;  24 cm 
<br/><br/> Based on the author's thesis-Clark University. 
<br/><br/>Includes bibliographical references (pages 233-256). 
<br/><br/><label>LCCN: </label>51026021  
<br/><br/><label>Nat. Bib. Agency Control No.: </label>CAT10983629  DNAL 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico.<br/>Puerto Rico.<br/>Porto Rico--Descriptions et voyages.
<br/><br/><label>Subjects--Index Terms: </label>Porto Rico. 1950 
<br/><br/><label>LC Class. No.: </label>F1958  / .P5 
<br/><br/><label>Dewey Class. No.: </label>917.295 Pic 
<br/><br/><label>National Agricultural Library Call No.: </label>125  / P58