Columbia subject headings:
Sudan--History.
Sudan--Politics and government--1956-1985.
Sudan. Jihāz al-Amn al-Qawmī.
Harvard subject headings:
Secret service--Sudan.
Sudan--Politics and government--1956-1985
Sudan. Jihāz al-Amn al-Qawmī.
Princeton subject headings:
Secret service--Sudan.
Sudan--Politics and government--1956-1985.
Sudan. Jihāz al-Amn al-Qawmī