Bell, Alexander Graham <br/><br/>
Machanism of speech : Lectures delivered before. 

 - 6th edn. 
 - New York  Funk and Wagnalls Co.  1914 
 - xv,133p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>P:1z7
<br/><br/><label>Dewey Class. No.: </label>P:1z7  / E4