Columbia subject headings:
Kava (Beverage)--Vanuatu.
Kava ceremony--Vanuatu.
Rivers, W. H. R. (William Halse Rivers), 1864-1922.
Tanna (Ni-Vanuatu people)--Drug use.
Tanna (Ni-Vanuatu people)--Social conditions.
Harvard subject headings:
Kava (Beverage)--Vanuatu.
Kava ceremony--Vanuatu.
Rivers, W. H. R. (William Halse Rivers), 1864-1922.
Tanna (Ni-Vanuatu people)--Drug use.
Tanna (Ni-Vanuatu people)--Social conditions.
Princeton subject headings:
Kava (Beverage)--Vanuatu.
Kava ceremony--Vanuatu.
Rivers, W. H. R. (William Halse Rivers), 1864-1922.
Tanna (Ni-Vanuatu people)--Drug use.
Tanna (Ni-Vanuatu people)--Social conditions.