Columbia subject headings:
Harvard subject headings:
Asia--Foreign economic relations--Persian Gulf Region--Congresses.
Asia--Foreign relations--Persian Gulf Region--Congresses.
Gulf Cooperation Council--Congresses.
Persian Gulf Region--Foreign economic relations--Asia--Congresses.
Persian Gulf Region--Foreign relations--Asia--Congresses.
Princeton subject headings:
Asia--Relations--Persian Gulf Region.
Gulf Cooperation Council.
Persian Gulf Region--Relations--Asia.