RT Book T1 A comparison of the sociological and psychological backgrounds of unwed mothers and aggressively delinquent girls at various ages A1 Auricchio, Elizabeth Williams LA English PP Ann Arbor, Mich. PB Univ. Microfilms YR 1974 UL https://krimdok.uni-tuebingen.de/Record/1122089392 K1 Hochschulschrift