Language of the mentally retarded  proceedings of a conference sponsored by the National Institute of Child Health and Human Development and hosted by the University of Kansas Bureau of Child Research, Lawrence, Kansas, February 16-18, 1970 
edited by Richard L. Schiefelbusch 
 - Baltimore  University Park Press  1972 
 - xxii,252p ill 25cm 
 - NICHD Mental Retardation Research Centers series .
<br/><br/>Bibl. - Index 
<br/><br/><label>ISBN: </label>0839106297 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mentally handicapped--Language--Congresses