Columbia subject headings:
Middle East--Politics and government--1945-1979.
Middle East--Politics and government--1979-
Petroleum industry and trade--Political aspects.
Petroleum--Political aspects.
Harvard subject headings:
Middle East--Politics and government--1945-1979.
Middle East--Politics and government--1979-
Petroleum industry and trade--Political aspects
Petroleum--Political aspects.
Princeton subject headings:
Middle East--Politics and government--1945-1979.
Middle East--Politics and government--1979-
Petroleum industry and trade--Political aspects.
Petroleum--Political aspects.