Heward, William L. <br/><br/>
Exceptional children :  an introductory survey of special education / 
by William L. Heward, Michael D. Orlansky. 
 - 3rd ed. 
 - Columbus, Ohio :  Merrill Publishing Co.,  1988. 
 - xiii, 657 p. : ill. 
<br/><br/> Includes bibliographical references and index.  Contents : Keys to special education--Mental retardation--Learning disabilities. 
<br/><br/><label>ISBN: </label>0675208904 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Special education.<br/>Exceptional children.