Columbia subject headings:
Harvard subject headings:
Customs administration--Great Britain--Early works to 1800.
France--Commerce--Great Britain--Early works to 1800.
Great Britain--Commerce--France--Early works to 1800.
Princeton subject headings:
Customs administration--Great Britain--Early works to 1800.
France--Commerce--Great Britain--Early works to 1800.
Great Britain--Commerce--France--Early works to 1800.