Hurvitz, Joel.  Carmen, Richard <br/><br/>
Special devices for hard of hearing, deaf & deaf-blind persons  x 

 - x 
 - Boston  Little  1981 
 - 297p 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hearing Aids. Hearing Aids. 
<br/><br/><label>Dewey Class. No.: </label>617.89/HUS