Wittich,Walter Arno and Schuller,Charles Francis. <br/><br/>
Audio-Visual Materials Their Nature and Use  Textual Documents 

 - IInd edition 1957. 
 - New York:  Harper and Brothers,Publishers,  1957. 
 - xxviii;570p.:  02462. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Statistics,Audio-Learning Experiences,Television in Education.
<br/><br/><label>Dewey Class. No.: </label>G5 W