Columbia subject headings:
Israel--Foreign relations--Sudan.
Sudan--Foreign relations--Israel.
Sudan--History--Darfur Conflict, 2003-
Sudan--Politics and government--1985-
Harvard subject headings:
Israel--Foreign relations--Sudan.
Sudan--Foreign relations--Israel.
Sudan--History--Darfur Conflict, 2003-
Sudan--Politics and government--1985-
Princeton subject headings:
South Sudan--Relations--Sudan.
Sudan--History--Civil War, 1983-2005.
Sudan--Politics and government.
Sudan--Relations--South Sudan.