Columbia subject headings:
Harvard subject headings:
Black people--Brazil--Social conditions--Congresses.
Black people--Civil rights--Brazil--Congresses.
Black people--Government policy--Brazil--Congresses.
Black people--Land tenure--Brazil--Congresses.
Black people--Legal status, laws, etc.--Brazil--Congresses.
Brazil--Rural conditions--Congresses.
Princeton subject headings:
Black people--Brazil--Claims--Congresses.
Black people--Brazil--Social conditions--Congresses.
Black people--Government policy--Brazil--Congresses.
Black people--Land tenure--Brazil--Congresses.