Columbia subject headings:
Barbados--Economic conditions.
Guyana--Economic conditions--1966-
Jamaica--Economic conditions.
Trinidad and Tobago--Economic conditions.
Harvard subject headings:
Barbados--Economic conditions.
Guyana--Economic conditions--1966-
Jamaica--Economic conditions.
Trinidad and Tobago--Economic conditions.
Princeton subject headings:
Barbados--Economic conditions.
Guyana--Economic conditions--1966-
Jamaica--Economic conditions.
Trinidad and Tobago--Economic conditions.