00442nam a2200145Ia 450000100060000000300050000600500170001100800410002811000490006924500350011826000570015330000180021041000300022865000380025890952BIBL20160527204753.0750318s1966 dcu 000 0 eng d10aUnited StatesbChildren's Bureau.wcn2Local10aYour child from six to twelve.0 aWashington, D. C.bU.S. Govt. Printing Officec1966. a98 p.billus.11aItstPublicationvno. 324 0aChildrenxCare and hygiene2Local