Columbia subject headings:
Harvard subject headings:
South Sudan--History--Autonomy and independence movements.
South Sudan--History.
South Sudan--Politics and government--2005-2011
South Sudan--Politics and government--2011-
Sudan--History--Civil War, 1955-1972
Sudan--History--Civil War, 1983-2005
Sudan--Politics and government--1985-
Princeton subject headings:
South Sudan--History.
South Sudan--Social conditions.
Sudan--History.
Sudan--Social conditions.