Illingworth, Ronald S. (Ronald Stanley),  1909- <br/><br/>
The development of the infant and young child :  normal and abnormal / 
R. S. Illingworth. 
 - x, 320 p. :  ill. ; 
<br/><br/> Child Development 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0443019258 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child development.<br/>Child development deviations.<br/>Child development--Testing.
<br/><br/><label>LC Class. No.: </label>RJ131 ILL 1980