Title: Differentials in expectation of additional children among mothers of legitimate live births, United States 1964-1966 ... Based on data collected by a questionnaire mailed to mothers for a sample selected from records of births in 1964, 1965, and 1966 which were filed with the National Center for Health Statistics.
Authors: National Center for Health Statistics (U.S.).
Publisher: For sale by the Supt. of Docs., U. S. Govt. Print. Off., Washington,
Year: 1972
Subjects: Population Surveillance; Fertility; Birth Rate