Columbia subject headings:
Arab countries--Foreign relations.
International relations--Miscellanea.
Petroleum industry and trade.
World politics--1945-1989--Miscellanea.
Harvard subject headings:
Arab countries--Foreign relations.
International relations--Miscellanea.
Petroleum industry and trade
World politics--1945---Miscellanea.
Princeton subject headings:
Arab countries--Foreign relations.
International relations--Miscellanea.
Petroleum industry and trade--Arab countries.
Petroleum industry and trade--Political aspects.
World politics--1945---Miscellanea.