Lecturas para estudiantes de octavo grado. 

 - [San Juan, P.R.]  19- 
 - v.  illus., graphs, maps, plates, tables. 
<br/><br/> Cover title varies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Study and teaching (Secondary)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--History.