Cavan, Ruth Shonle,  1896. <br/><br/>
Juvenile delinquency/ 
by Ruth Shonle Cavan and Theodore N. Ferdinand. 
 - 3rd ed. 
 - Philadelphia:  Lippincott,  1975. 
 - viii, 471 p. ;  23 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0397473206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Juvenile delinquency.