Columbia subject headings:
Children--United States--Longitudinal studies.
Children--United States--Surveys.
Social surveys--United States.
Harvard subject headings:
Children--Longitudinal studies.
Children--United States--Longitudinal studies.
Children--United States--Surveys.
Social sciences--Research
Social surveys
Social surveys--United States
Princeton subject headings:
Children--United States--Longitudinal studies.
Children--United States--Surveys.
Social surveys--United States.