Columbia subject headings:
Customs administration--Law and legislation--United States--Cases.
Foreign trade regulation--United States--Cases.
Tariff--Law and legislation--United States--Cases.
United States. Court of Appeals (Federal Circuit)
United States. Court of International Trade.
Harvard subject headings:
Foreign trade regulation--United States--Cases.
Foreign trade regulation--United States.
Tariff--Law and legislation--United States--Cases.
Tariff--Law and legislation--United States.
Princeton subject headings: