Columbia subject headings:
Energy industries--Political aspects--Congresses.
North Atlantic Treaty Organization--Congresses.
Petroleum industry and trade--Political aspects--Congresses.
World politics--1975-1985--Congresses.
Harvard subject headings:
Energy industries--Political aspects--Congresses.
North Atlantic Treaty Organization--Congresses.
Petroleum industry and trade--Political aspects--Congresses.
World politics--1975-1985--Congresses
Princeton subject headings:
Energy industries--Political aspects--Congresses.
North Atlantic Treaty Organization--Congresses.
Petroleum industry and trade--Political aspects--Congresses.
World politics--1975-1985--Congresses.