Columbia subject headings:
Betel nut--Papua New Guinea.
Implements, utensils, etc.--Papua New Guinea.
Massim (Papua New Guinean people)--Food.
Massim (Papua New Guinean people)--Implements.
Harvard subject headings:
Betel nut--Papua New Guinea--Equipment and supplies.
Massim (Papua New Guinean people)--Implements.
Massim (Papua New Guinean people)--Social life and customs.
Princeton subject headings:
Betel nut--Papua New Guinea.
Implements, utensils, etc.--Papua New Guinea.
Massim (Papua New Guinean people)--Food habits.
Massim (Papua New Guinean people)--Implements.