00873cam a22002291 4500001001300000003000400013005001700017008004100034010001700075035002000092040002600112042001200138050001600150060002700166100003200193245010000225260004800325300001400373410006100387500013600448740005900584l 40000037 DLC20260227111537.0820626s1940 xx 000 0 eng  al 40000037  a(OCoLC)14723049 aDLCcDNLMdOCoLCdDLC apremarc00aHV741b.W350 aW1bUN6181 no.252 19401 aWelch, Kathryn Hand,d1906-14aThe meaning of state supervision in the social protection of children,cby Kathryn H. Welch ... aWashington,bU.S. Govt. print. off.,c1940. aii, 22 p.10aUnited States.bChildren's Bureau.tPublicationvno. 252 aAt head of title: United States Department of labor. Frances Perkins, secretary. Children's bureau. Katharine F. Lenroot, chief.0 aState supervision in the social protection of children