Columbia subject headings:
Petroleum industry and trade--Saudi Arabia--Ḥudūd al-Shamālīyah--History.
Petroleum pipelines--Saudi Arabia.
Trans-Arabian Pipeline Company.
Ḥudūd al-Shamālīyah (Saudi Arabia)--Economic conditions.
Ḥudūd al-Shamālīyah (Saudi Arabia)--Strategic aspects.
Harvard subject headings:
Princeton subject headings:
Petroleum industry and trade.
Petroleum pipelines--Saudi Arabia.
Trans-Arabian Pipeline Company.