Elwell F R <br/><br/>
Sounds we hear 
Elwell F R 
 - London  Methuen & co  1952 
 - 73 pages 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound
<br/><br/><label>Dewey Class. No.: </label>ndiv,20  1952