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Study Title/Investigator
1.
Delinquency in a Birth Cohort II: Philadelphia, 1958-1988 (ICPSR 9293)
Figlio, Robert M.; Tracy, Paul E.; Wolfgang, Marvin E.
2.
Delinquency in a Birth Cohort in Philadelphia, Pennsylvania, 1945-1963 (ICPSR 7729)
Wolfgang, Marvin E.; Figlio, Robert; Sellin, Thorsten
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