Columbia subject headings:
Bahrain--Economic conditions.
Bahrain--Population--Economic aspects.
Kuwait--Economic conditions--1991-
Kuwait--Population--Economic aspects.
Oman--Economic conditions.
Oman--Population--Economic aspects.
Harvard subject headings:
Bahrain--Economic conditions.
Bahrain--Population--Economic aspects.
Kuwait--Economic conditions.
Kuwait--Population--Economic aspects.
Oman--Economic conditions.
Oman--Population--Economic aspects.
Princeton subject headings:
Bahrain--Economic conditions.
Bahrain--Population--Economic aspects.
Kuwait--Economic conditions--1991-
Kuwait--Population--Economic aspects.
Oman--Economic conditions.
Oman--Population--Economic aspects.