Systematic instruction of the moderately and severely handicapped / 
edited by Martha E. Snell. 
 - Columbus, Ohio :  Merrill,  c1978. 
 - xi, 513 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0675083907 
<br/><br/><label>LCCN: </label>77093413  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children with disabilities--Education--United States.
<br/><br/><label>LC Class. No.: </label>LC4031  / SYS 1978 
<br/><br/><label>Dewey Class. No.: </label>371.9