Columbia subject headings:
Africa--Foreign relations--Egypt.
Egypt--Foreign relations--Africa.
Egypt--Foreign relations--Nile River Watershed.
Nile River Watershed--Foreign relations--Egypt.
Water-supply--Political aspects--Egypt.
Harvard subject headings:
Princeton subject headings:
Africa--Foreign relations--Egypt.
Egypt--Foreign relations--Africa.
Egypt--Foreign relations--Nile River Watershed.
Nile River Watershed--Foreign relations--Egypt.
Water-supply--Political aspects--Egypt.