Columbia subject headings:
Aeronautics, Commercial--Vanuatu--Passenger traffic--Statistics--Periodicals.
Merchant marine--Vanuatu--Passenger traffic--Statistics--Periodicals.
Vanuatu--Emigration and immigration--Statistics--Periodicals.
Visitors, Foreign--Vanuatu--Statistics--Periodicals.
Harvard subject headings:
Aeronautics, Commercial--Vanuatu--Passenger traffic--Statistics--Periodicals.
Merchant marine--Vanuatu--Passenger traffic--Statistics--Periodicals.
Vanuatu--Emigration and immigration--Statistics--Periodicals.
Visitors, Foreign--Vanuatu--Statistics--Periodicals.
Princeton subject headings: