Columbia subject headings:
Child care--Congresses.
Child welfare--United States--Congresses.
Children--Health and hygiene--Congresses.
Harvard subject headings:
Child care--United States--Congresses.
Child welfare--United States
Child welfare--United States--Congresses
Child welfare--United States.
Children--Health and hygiene--Congresses
Princeton subject headings:
Child welfare--United States--Congresses.
Children--Health and hygiene--Congresses.