Columbia subject headings:
Harvard subject headings:
Middle East--History--20th century.
Middle East--Relations--Western countries.
Organization of Petroleum Exporting Countries--History.
Petroleum industry and trade--Political aspects--Middle East--History--20th century.
Western countries--Relations--Middle East.
Princeton subject headings:
Middle East--History--20th century.
Middle East--Relations--Western countries.
Organization of Petroleum Exporting Countries--History.
Petroleum industry and trade--Political aspects--Middle East--History--20th century.
Western countries--Relations--Middle East.