Columbia subject headings:
Egypt--Foreign relations--Yemen (Republic)
Nasser, Gamal Abdel, 1918-1970.
Yemen (Republic)--Foreign relations--Egypt.
Yemen (Republic)--History.
Harvard subject headings:
Egypt--Foreign relations--Yemen (Republic)
Nasser, Gamal Abdel, 1918-1970.
Yemen (Republic)--Foreign relations--Egypt.
Yemen (Republic)--History.
Princeton subject headings:
Egypt--Foreign relations--Yemen.
Nasser, Gamal Abdel, 1918-1970.
Yemen--Foreign relations--Egypt.