Columbia subject headings:
Cauvery River Delta (India)--History.
Irrigation--India--Cauvery River Delta--History.
Harvard subject headings:
Cauvery River Delta (India)--History.
Irrigation--India--Cauvery River Delta--History.
Princeton subject headings:
Irrigation--Social aspects--India--Thanjāvūr (District).
Thanjāvūr (India : District)--Economic conditions.
Thanjāvūr (India : District)--Social conditions.