Columbia subject headings:
Allen, Benedict--Travel--Indonesia--Sumatra.
Folklore--Indonesia--Sumatra.
Sumatra (Indonesia)--Description and travel.
Harvard subject headings:
Sumatra (Indonesia)--Description and travel.
Princeton subject headings:
Allen, Benedict--Travel--Indonesia--Sumatra.
Folklore--Indonesia--Sumatra.
Sumatra (Indonesia)--Description and travel.
Sumatra (Indonesia)--Discovery and travel.