Columbia subject headings:
Ethnology--Indonesia--Halmahera.
Shifting cultivation--Indonesia--Halmahera.
Harvard subject headings:
Halmahera (Indonesia)--Social life and customs.
Rice--Planting--Indonesia--Halmahera.
Shifting cultivation--Indonesia--Halmahera.
Princeton subject headings:
Ethnology--Indonesia--Halmahera.
Shifting cultivation--Indonesia--Halmahera.