Kretschmer, Richard R. <br/><br/>
Language development and intervention with the hearing impaired / 
Richard R. Kretschmer and Laura W. Kretschmer. 
 - Baltimore :  University Park Press,  1978. 
 - 358 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0839109938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deaf--Means of communication.<br/>Deaf--Education--English language.