Columbia subject headings:
Bergen (Norway)--Commerce--Hansa towns.
Hansa towns--Commerce--Norway--Bergen.
Hanseatic League--History.
Harvard subject headings:
Bergen (Norway)--Commerce--Hansa towns.
Hansa towns--Commerce--Norway--Bergen.
Hanseatic League--History.
Princeton subject headings:
Bergen (Norway)--Commerce--Hansa towns.
Hansa towns--Commerce--Norway--Bergen.
Hanseatic League--History.