Columbia subject headings:
Economic history--1971-1990.
Persian Gulf Region--Economic conditions.
Persian Gulf Region--Foreign economic relations.
Petroleum industry and trade--Persian Gulf Region.
Harvard subject headings:
Economic history--1971-1990
Persian Gulf Region--Economic conditions.
Persian Gulf Region--Foreign economic relations.
Petroleum industry and trade--Persian Gulf Region
Princeton subject headings:
Economic history--1971-1990.
Persian Gulf Region--Economic conditions.
Persian Gulf Region--Foreign economic relations.
Petroleum industry and trade--Persian Gulf Region.