United States. Children's Bureau , Springer, Ethel M., 1880- and Lundberg, Emma O. (Emma Octavia), 1881-1954. Children Deprived of Parental Care : A Study of Children Taken Under Care by Delaware Agencies and Institutions, Dependent, Defective, and Delinquent Classes Series No. 12, Bureau Publication No. 81 , Washington, D.C: Government Printing Office, 1921, https://fraser.stlouisfed.org/title/8368, accessed on October 3, 2024.