Columbia subject headings:
Harvard subject headings:
Commerce--History--Medieval, 500-1500
England--Economic conditions--1066-1485.
Great Britain--Commerce--Hanseatic League.
Great Britain--Foreign relations--Hanseatic League.
Hansa towns--History--Sources.
Hanseatic League--Commerce--Great Britain.
Hanseatic League--Foreign relations--Great Britain.
Hanseatic League--History--Sources.
Princeton subject headings:
Germany--Commerce--Great Britain--History.
Great Britain--Commerce--Germany--History.
Hansa towns--Commerce--History.
Prussia (Germany)--Commerce--History.