Columbia subject headings:
Child welfare--Brazil--Congresses.
Children's rights--Brazil--Congresses.
Children--Legal status, laws, etc.--Brazil--Congresses.
Youth--Legal status, laws, etc.--Brazil--Congresses.
Harvard subject headings:
Child welfare--Brazil--Congresses.
Children's rights--Brazil--Congresses.
Children--Legal status, laws, etc.--Brazil--Congresses.
Youth--Legal status, laws, etc.--Brazil--Congresses.
Princeton subject headings: