Columbia subject headings:
Harvard subject headings:
Customs administration--Germany--Lübeck--History--Sources.
Lübeck (Germany)--Commerce--History--Sources.
Lübeck (Germany)--History--Sources.
Princeton subject headings:
Customs administration--Germany--Lübeck--History--Sources.
Lübeck (Germany)--Commerce--History--Sources.
Tariff--Germany--Lübeck--History--Sources.