United States. Children's Bureau
and United States. National Office of Vital Statistics.
The Confidential Nature of Birth Records : Including the Special Registration Problems of Children Born out of Wedlock, Children of Unknown Parentage, Legitimated Children, and Adopted Children, Bureau Publication No. 332 ,
Washington, D.C:
Government Printing Office,
1949, https://fraser.stlouisfed.org/title/8585,
accessed on November 23, 2025.