Mays, John Barron. <br/><br/>
On the threshold of delinquency / 
by John Barron Mays. 
 - Liverpool :  Liverpool University Press,  1959. 
 - x, 243 p. ;  22 cm. 
 - Social research series .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Juvenile delinquents--Great Britain.
<br/><br/><label>Dewey Class. No.: </label>364.360941  / MAO 1959