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William Healy, The Prevention of Delinquency and Criminality, Journal of Criminal Law and Criminology (1931-1951), Vol. 24, No. 1, Century of Progress Number: The Development of Criminology in the State of Illinois during the Past Century, in the United States of America at Large and in Other Nations of the World during the Past Quarter-Century (May - Jun., 1933), pp. 74-87
William Healy (Mon,) studied this question.