United States. Children's Bureau
and Conference on Day Care of Children of Working Mothers (1941 : Washington, D.C.).
Standards for Day Care of Children of Working Mothers : Report of the Subcommittee on Standards and Services for Day Care Authorized by the Children's Bureau Conference on Day Care of Children of Working Mothers, Children in Wartime No. 3, Bureau Publication No. 284 ,
Washington, D.C:
Government Printing Office,
1942, https://fraser.stlouisfed.org/title/8552,
accessed on September 9, 2026.