Ingalls, Robert P.,  1945- <br/><br/>
Mental retardation :  the changing outlook / 
Robert P. Ingalls. 
 - New York :  Wiley,  c1978. 
 - xiv, 491 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 453-481. 
<br/><br/><label>ISBN: </label>0471427160 9780471427162 
<br/><br/><label>LCCN: </label>77023359//r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation--Etiology.<br/>People with mental disabilities--Care.<br/>Children with mental disabilities--Education.<br/>Intelligence tests.<br/>Mental Retardation.<br/>Education of Mentally Retarded.
<br/><br/><label>LC Class. No.: </label>RC570  / .I4 
<br/><br/><label>National Library of Medicine Call No.: </label>WM300 I44m