Columbia subject headings:
Genocide--Sudan.
Political violence--Sudan.
Sudan--History--1956-
Sudan--Politics and government.
Sudan--Race relations.
Harvard subject headings:
Genocide--Sudan
Political violence--Sudan.
Sudan--History--1956-
Sudan--Politics and government
Sudan--Race relations.
Princeton subject headings:
Genocide--Sudan.
Political violence--Sudan.
Sudan--History--1956-
Sudan--Politics and government.
Sudan--Race relations.