Columbia subject headings:
Ethnoarchaeology--Gangetic Plain (India and Bangladesh)
India--Politics and government--To 997.
Social classes--Gangetic Plain (India and Bangladesh)
Harvard subject headings:
Caste--Gangetic Plain (India and Bangladesh)
Ethnoarchaeology--Gangetic Plain (India and Bangladesh)
India--Politics and government--To 997.
Iron age--Gangetic Plain (India and Bangladesh)
State, The
Princeton subject headings: