Folkerts, Jean. <br/><br/>
Voices of a nation : a history of media in the United States / by Jean Folkerts, Dwight L. Teeter. 

 - New York, N.Y. :  MacMillan,  1989. 
 - xiii, 577 p. : ill. ; 24 cm. 
<br/><br/> Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0024190306 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--United States--History.