00931cam a22002771 4500001001300000003000400013005001700017008004100034010001700075035001900092040008500111042001200196050002200208082001000230086001800240110003900258245005000297260004900347300004000396490002900436650003400465650002600499650004900525810006200574999001700636ss 58000002 DLC20260227112752.0780930s1958 dcuab f000 0 eng c ass 58000002  a(OCoLC)4250556 aU. S. Social Security Administration. LibrarycNBrockUdNBrockUdISSdOCoLCdDLC apremarc00aHV741b.A412 1958 a362.70 aFS 17.210:3631 aUnited States.bChildren's Bureau.10aChildren and youth: their health and welfare. a[Washington,bU.S. Govt. Print. Off.,c1958] a[47] l.bmaps, diagrs.c19 x 25 cm.1 aIts Publicationvno. 363 0aChild welfarezUnited States. 0aYouthzUnited States. 0aChildrenxHealth and hygienezUnited States.1 aUnited States.bChildren's Bureau.tPublicationvno. 363. c90976d90976