Koon, Cline Morgan,  1894- <br/><br/>
The art of teaching by radio, 
by Cline M. Koon, senior specialist in education by radio, Office of education... 
 - Washington,  U.S. Govt. print. off.,  1933. 
 - vii, 91, [1] p.  23 cm. 
 - U. S. Office of education. Bulletin, 1933,  no. 4 .
<br/><br/> At head of title: United States Department of the interior.  Harold L. Ickes, secretary. Office of education. William John Cooper, commissioner. 
<br/><br/>Bibliography: p. 85-91, [1] 
<br/><br/><label>LCCN: </label>e  33001190  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in education.<br/>Radio broadcasting.
<br/><br/><label>LC Class. No.: </label>L111  / .A6 1933, no. 4 
<br/><br/><label>Dewey Class. No.: </label>371.333