Columbia subject headings:
Geology--India--Bibliography.
Mineralogy--India--Bibliography.
Mines and mineral resources--India.
Physical geography--India--Bibliography.
Harvard subject headings:
Geology--India--Bibliography.
Mineralogy--India--Bibliography.
Mines and mineral resources--India
Physical geography--India--Bibliography.
Princeton subject headings:
Geology--India--Bibliography.
Mineralogy--India--Bibliography.
Mines and mineral resources--India.
Physical geography--India--Bibliography.