Birth, stillbirth, and infant mortality statistics for the birth registration area of the United States; annual report.
United States.Bureau of the Census.
Washington, U.S. Govt. Print. Off.
Statistics for the years 1925-27 issued in 2 parts with subtitles: pt. 1, Summary and rate tables and general tables, pt. 2, Text and text tables.
Vital Statistics
Birth statistics for the birth registration area of the United States
Birth, stillbirth, and infant mortality statistics for the continental United States, the territory of Hawaii, the Virgin Islands