Henna Pérez, José Julio, <br/><br/>
El caso de Puerto Rico 
por J.J. Henna y Manuel Zeno Gandía. 
 - New York  Impr. de A. Lallemand  1917. 
 - 80 p. 
<br/><br/> Translation of The case of Puerto Rico. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Politics and government--1898-1952.<br/>Puerto Rico--Relations [general] with United states.<br/>Puerto Rico--Economic conditions.