Kirk, Samuel A <br/><br/>
Early education of the mentally retarded :  an experimental study / 
In cooperation with Merle B Karnes, Ray Graham and William Sloan 
 - 1st ed. 
 - Urbana :  University of Illinois press,  1958. 
 - 216p. :  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation
<br/><br/><label>Dewey Class. No.: </label>616.8588  / KIR