Columbia subject headings:
Congo (Democratic Republic)--Politics and government.
Egypt--Relations--Nile River Valley.
Nile River Valley--Relations--Egypt.
Harvard subject headings:
Congo (Democratic Republic)--Politics and government
Egypt--Relations--Nile River Valley.
Nile River Valley--Relations--Egypt.
Princeton subject headings:
Congo (Democratic Republic)--Politics and government.
Egypt--Relations--Nile River Valley.
Nile River Valley--Relations--Egypt.