Columbia subject headings:
Persian Gulf States--Foreign relations.
Persian Gulf States--Politics and government.
Harvard subject headings:
Arabian Peninsula--History.
Bahrain--History.
Kuwait--History.
Oman--History.
Persian Gulf States--Foreign relations.
Persian Gulf States--History.
Persian Gulf States--Politics and government.
Qatar--History.
United Arab Emirates--History.
Princeton subject headings:
Bahrain--History.
Kuwait--History.
Oman--History.
Persian Gulf States--Foreign relations.
Persian Gulf States--Politics and government.
Qatar--History.
United Arab Emirates--History.