Columbia subject headings:
Contract labor--Australia--Mackay (Qld.)
Contract labor--Solomon Islands.
Mackay (Qld.)--History.
Melanesians--Australia--Mackay (Qld.)
Harvard subject headings:
Contract labor--Australia--Mackay (Qld.)
Contract labor--Solomon Islands--Malaita Province.
Contract labor--Solomon Islands--Malaita.
Mackay (Qld.)--History.
Melanesians--Australia--Mackay (Qld.)
Princeton subject headings: