Columbia subject headings:
Africa--Politics and government--1960-
Conflict management--Africa.
Violence--Africa.
Harvard subject headings:
Africa--Politics and government--1960---Congresses.
Conflict management--Africa--Congresses
Political violence--Africa--Congresses.
Violence--Africa--Congresses.
Princeton subject headings:
Africa--Politics and government--1960-
Conflict management--Africa.
Violence--Africa.