Understanding behavior and development of childrenand youth:  principles and concepts/ 
edited by Harold R. Bottrell. 
 - Dubuque, Iowa:  Wm. C. Brown Publishers,  1966. 
 - 110 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child study.<br/>Adolescence.