Hart, Roderick P. <br/><br/>
The sound of leadership :  presidential communication in the Modern Age / 
by Roderick P. Hart. 
 - Chicago, Ill. :  University of Chicago Press,  1987. 
 - xxiii, 277 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0226318133 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political oratory--United States.<br/>Presidents--United States--Language.