Columbia subject headings:
India--Description and travel--Early works to 1800.
Maldives.
Sri Lanka--Description and travel--Early works to 1800.
Harvard subject headings:
India--Description and travel--Early works to 1800.
India--Description and travel.
Maldives
Sri Lanka--Description and travel--Early works to 1800.
Sri Lanka--Description and travel.
Princeton subject headings: