Columbia subject headings:
Harvard subject headings:
Egypt--Foreign relations--Ethiopia.
Egypt--Foreign relations--Sudan.
Ethiopia--Foreign relations--Egypt.
Ethiopia--Foreign relations--Sudan.
Sudan--Foreign relations--Egypt.
Sudan--Foreign relations--Ethiopia.
Water resources development--Government policy--Egypt.
Water-supply--Political aspects--Nile River Watershed.
Princeton subject headings:
Egypt--Foreign relations--Ethiopia.
Egypt--Foreign relations--Sudan.
Ethiopia--Foreign relations--Egypt.
Ethiopia--Foreign relations--Sudan.
Nile River Watershed--Press coverage--Egypt.
Sudan--Foreign relations--Egypt.
Sudan--Foreign relations--Ethiopia.
Water resources development--Government policy--Egypt.
Water-supply--Political aspects--Nile River Watershed.