Columbia subject headings:
Customs administration--Law and legislation--Ireland--Early works to 1800.
Gaging.
Tariff--Law and legislation--Ireland--Early works to 1800.
Taxation--Law and legislation--Ireland--Early works to 1800.
Harvard subject headings:
Customs administration--Law and legislation--Ireland--Early works to 1800.
Gaging.
Tariff--Law and legislation--Ireland--Early works to 1800.
Taxation--Law and legislation--Ireland--Early works to 1800.
Princeton subject headings: