Columbia subject headings:
Human rights--South America--Congresses.
Refugees--Legal status, laws, etc.--South America--Congresses.
Harvard subject headings:
Emigration and immigration law--South America--Congresses.
Human rights--South America--Congresses.
Refugees--Civil rights--South America--Congresses.
Refugees--Legal status, laws, etc.--South America--Congresses.
Princeton subject headings: