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Your query returned 2 studies. Series results are grouped under the most relevant study. Ungroup series results to view all 2 results.

1.
Delinquency in a Birth Cohort in Philadelphia, Pennsylvania, 1945-1963 (ICPSR 7729)
Wolfgang, Marvin E.; Figlio, Robert; Sellin, Thorsten
2.
Political Involvement Among Adolescents, [1974: Pennsylvania] (ICPSR 8094)
Sigel, Roberta S.; Hoskin, Marilyn

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