An experiment in the prevention of delinquency: the Cambridge-Somerville Youth Study
Powers, Edwin.
An experiment in the prevention of delinquency: the Cambridge-Somerville Youth Study by Edwin Powers and Helen Witmer. With a foreword by Gordon W. Allport. - New York Columbia University Press 1951. - xxxiv, 649 p. illus.
Reprint of the 1951 ed.
Bibliography: p. [638]
Cambridge-Somerville Youth Study.
Juvenile delinquency--Cambridge, Mass.
Juvenile delinquency--Somerville, Mass.
An experiment in the prevention of delinquency: the Cambridge-Somerville Youth Study by Edwin Powers and Helen Witmer. With a foreword by Gordon W. Allport. - New York Columbia University Press 1951. - xxxiv, 649 p. illus.
Reprint of the 1951 ed.
Bibliography: p. [638]
Cambridge-Somerville Youth Study.
Juvenile delinquency--Cambridge, Mass.
Juvenile delinquency--Somerville, Mass.