Duffey, William R.  1892-1951. <br/><br/>
Voice and delivery;  training of mind, voice, and body for speech, 
by William R. Duffey ... 
 - St. Louis, Mo., and London,  B. Herder book co.,  1941. 
 - xii, 417 p.  illus., diagrs.  21 cm. 
<br/><br/> "References": p. 358-359.  Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>41004655  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voice.<br/>Speech.
<br/><br/><label>LC Class. No.: </label>PN4162  / .D73