Columbia subject headings:
Egypt--Foreign relations--Sudan.
Nasser, Gamal Abdel, 1918-1970.
Sudan--Foreign relations--Egypt.
Harvard subject headings:
Egypt--Foreign relations--1952-
Egypt--Foreign relations--Sudan.
Egypt--Politics and government--1952-
Nasser, Gamal Abdel, 1918-1970.
Sudan--Foreign relations--Egypt.
Princeton subject headings:
Egypt--Foreign relations--Sudan.
Nasser, Gamal Abdel, 1918-1970.
Sudan--Foreign relations--Egypt.