Columbia subject headings:
Egypt--Foreign relations--Great Britain.
Egypt--Foreign relations--Sudan.
Great Britain--Foreign relations--Egypt.
Great Britain--Foreign relations--Sudan.
Sudan--Foreign relations--Egypt.
Sudan--Foreign relations--Great Britain.
Harvard subject headings:
Egypt--Foreign relations--Great Britain.
Egypt--Foreign relations--Sudan.
Great Britain--Foreign relations--Egypt.
Great Britain--Foreign relations--Sudan.
Sudan--Foreign relations--Egypt.
Sudan--Foreign relations--Great Britain.
Princeton subject headings:
Egypt--Foreign relations--Great Britain.
Egypt--Foreign relations--Sudan.
Great Britain--Foreign relations--Egypt.
Great Britain--Foreign relations--Sudan.
Sudan--Foreign relations--Egypt.
Sudan--Foreign relations--Great Britain.