01052cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040009200111042001200203050002300215082001300238086001700251111011000268245004000378260012200418300002400540490005900564500004000623650002900663650002400692830007000716hew61000106 DLC20260227111511.0791022s1961 dcu f100 0 eng c ahew61000106  a(OCoLC)5574156 aU.S. Dept. of Health, Education and Welfare, LibrarycNSySU-MdNSySU-MdISSdOCoLCdDLC apremarc00aHV741b.C5493 1960 a362.70720 aFS 3.209:3892 aConference of Experts in Research and Practice in the Field of Child Welfared(1960 :cWashington, D. C.)10aResearch in child welfare,breport. a[Washington]bU.S. Dept. of Health, Education, and Welfare, Social Security Administration, Children's Bureau,c1961. aviii, 50 p.c23 cm.1 aUnited States. Children's Bureau. Publicationvno. 389 aSponsored by the Children's Bureau. 0aChild welfarexResearch. 0aChildrenxResearch. 0aBureau publication (United States. Children's Bureau) ;vno. 389.