Columbia subject headings:
National characteristics, Sudanese.
Sudan--Ethnic relations.
Sudan--Politics and government.
Harvard subject headings:
Ethnicity--Sudan.
National characteristics, Sudanese
Nationalism--Sudan.
Sudan--Ethnic relations.
Sudan--History
Sudan--Politics and government
Princeton subject headings:
Ethnicity--Sudan.
National characteristics, Sudanese.
Nationalism--Sudan.
Sudan--Ethnic relations.
Sudan--History.
Sudan--Politics and government.