Columbia subject headings:
Income tax--Law and legislation--Austria--Cases.
Income tax--Law and legislation--New Zealand--Cases.
Taxation--Law and legislation--Austria--Cases.
Taxation--Law and legislation--New Zealand--Cases.
Harvard subject headings:
Income tax--Australia--Cases.
Income tax--New Zealand--Cases.
Taxation--Australia--Cases.
Taxation--New Zealand--Cases.
Princeton subject headings: