Columbia subject headings:
Political refugees--Legal status, laws, etc.--Africa--Congresses.
Refugees--Legal status, laws, etc.--Africa--Congresses.
Harvard subject headings:
Political refugees--Legal status, laws, etc.--Africa--Congresses.
Refugees--Legal status, laws, etc.--Africa--Congresses.
Princeton subject headings:
Political refugees--Legal status, laws, etc.--Africa--Congresses.
Refugees--Legal status, laws, etc.--Africa--Congresses.