Porto Rico's case and the Tariff bill.  (A memorial to the President and the Congress of the United States). 

 - Washington  1913. 
 - 50 p.  20 cm. 
<br/><br/> At head of title: Porto Rico Official Economic Commission. 
<br/><br/><label>LCCN: </label>74175164  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tariff--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Economic conditions.<br/>Puerto Rico
<br/><br/><label>LC Class. No.: </label>HC157.P8  / A4 1913 
<br/><br/><label>Dewey Class. No.: </label>382.7/3/0973