Puerto Ricans in Philadelphia. 

 - [s.l.]  Commonwealth of Puerto Rico. Migration Division  [ pref. 1962.] 
 - 45 p. 
<br/><br/> [Council of Spanish-Speaking Organizations of Philadelphia] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puerto Ricans in Philadelphia.<br/>Emigration and immigration--Philadelphia.<br/>Puerto Ricans--Migration.