Escuela del aire de Puerto Rico, 1936-1937. 

 - [San Juan, P.R.  El Departamento  1937. 
 - 59 p.  ill., draws. 
<br/><br/><label>LCCN: </label>fel36001742  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in education
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico