Language and communication in the mentally handicapped / 
edited by Paul Berry 
 - Baltimore :  University Press,  c1976 
 - viii, 215 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0839109253 :  USD 16.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children with mental disabilities--Education<br/>Language arts<br/>Children with mental disabilities--Language<br/>People with mental disabilities--Means of communication<br/>Education of mentally retarded<br/>Language development--In infancy and childhood
<br/><br/><label>Dewey Class. No.: </label>371.92