Columbia subject headings:
Geomorphology--India--Nellore (District)
India--Antiquities.
Paleolithic period--India--Nellore (District)
Harvard subject headings:
Geomorphology--India--Andhra Pradesh--Nellore (District)
Geomorphology--India.
India--Antiquities
Paleolithic period--India--Andhra Pradesh--Nellore (District)
Princeton subject headings: