Valentine, C W <br/><br/>
Difficult child and the problem of discipline / 
Valentine, C W 
 - 5 ed. 
 -  Methuen & Co. Ltd., London,  1950 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology
<br/><br/><label>Dewey Class. No.: </label>155.4 VAL-D5