An experiment in the prevention of delinquency : the Cambridge-So merville Youth Study /
Powers, Edwin.
An experiment in the prevention of delinquency : the Cambridge-So merville Youth Study / by Edwin Powers and Helen Witmer; with a fore word by Gordon W. Allport. - New York : Columbia University Press, 1951. - xliii, 649 p. : ill., port., maps. ; 24 cm.
Bibliography: p. [638]
Cambridge-Somerville Youth Study.--------
Juvenile delinquency.--------
L 364.3 POW
An experiment in the prevention of delinquency : the Cambridge-So merville Youth Study / by Edwin Powers and Helen Witmer; with a fore word by Gordon W. Allport. - New York : Columbia University Press, 1951. - xliii, 649 p. : ill., port., maps. ; 24 cm.
Bibliography: p. [638]
Cambridge-Somerville Youth Study.--------
Juvenile delinquency.--------
L 364.3 POW