Charters, Werrett Wallace,  1875-1952. <br/><br/>
Research problems in radio education, 
formulated by W. W. Charters. 
 - New York city,  National Advisory Council,  1931. 
 - 17 p.  19 cm. 
 - [National Advisory Council on Radio in Education] Information series,  no. 4. Levering Tyson, editor .
<br/><br/><label>LCCN: </label>e  32000135  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in education.<br/>Research.
<br/><br/><label>LC Class. No.: </label>LB1044.5  / .C5 1931