Columbia subject headings:
Kerala (India)--Economic conditions--Maps.
Kerala (India)--Maps.
Kerala (India)--Social conditions--Maps.
Maps.
Harvard subject headings:
Kerala (India)--Economic conditions--Maps.
Kerala (India)--Maps.
Kerala (India)--Social conditions--Maps.
Princeton subject headings:
Kerala (India)--Economic conditions--Maps.
Kerala (India)--Maps.
Kerala (India)--Social conditions--Maps.