Columbia subject headings:
Carnival--Trinidad and Tobago--History.
Trinidad and Tobago--Civilization.
Trinidad and Tobago--Social conditions.
Harvard subject headings:
Carnival--Trinidad and Tobago--History.
Trinidad and Tobago--Civilization.
Trinidad and Tobago--Social conditions.
Princeton subject headings:
Carnival--Trinidad and Tobago--History.
Trinidad and Tobago--Civilization.
Trinidad and Tobago--Social conditions.