00406nam a22001337i 4500001001000000005001700010008004100027082002200068100001600090245003600106260004800142300001700190650006500207SXC00638920260819093415.0260101s1925    ii            000 0 eng d  a155.453 BUR-Y222  aBurt, Cyril10aYoung Delinquent /cBurt, Cyril  abUniversity of London Press, London,c1925  ap. ;c22 cm. 0aDifferential & genetic psychology (Developmental psychology)