Heward, William L. <br/><br/>
Exceptional children  : An introductory survey to special education 
/ by William L. Heward and Michael D. Orlansky 
 - London:   Charles E. Merrill Publishing Company,   1980. 
 - xiv, 463p. 
<br/><br/><label>ISBN: </label>0675081793 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication disorders<br/>Education<br/>Mental retardation<br/>Special education
<br/><br/><label>Dewey Class. No.: </label>371.90973  / HEW/E