00971nam1 2200337 450 9900006415502033160064155USA010064155(ALEPH)000064155USA01006415520010926d--------km-y0itay0103----baengUS||||||||001yyFive thousand American familiespatterns of economic progressAnn ArborInstitute for social researchv.26 cm2001001-------2001Famiglia societàStati Uniti d'AmericaIndagini statistiche306.85ITsalbcISBD990000641550203316IS III 166LMIS IIIBKUMAPATTY9020010926USA01141820020403USA011713PATRY9020040406USA011644Five thousand American families957863UNISA