Columbia subject headings:
Trinidad and Tobago--Economic conditions--Periodicals.
Trinidad and Tobago--Politics and government--Periodicals.
Harvard subject headings:
Trinidad and Tobago--Economic conditions--Periodicals.
Trinidad and Tobago--Politics and government--Periodicals.
Princeton subject headings:
Trinidad and Tobago--Economic conditions--Periodicals.
Trinidad and Tobago--Politics and government--Periodicals.