Columbia subject headings:
Commerce.
North Western Europe--Commerce--Scandinavia.
Scandinavia--Commerce--North Western Europe.
Harvard subject headings:
Europe, Northern--Commerce--History--Congresses.
Europe, Northern--Commerce--Scandinavia--Congresses.
Europe, Western--Commerce--History--Congresses.
Europe, Western--Commerce--Scandinavia--Congresses.
Industries--Europe, Northern--History--Congresses.
Industries--Europe, Western--History--Congresses.
Industries--Scandinavia--History--Congresses.
Scandinavia--Commerce--Europe, Northern--Congresses.
Scandinavia--Commerce--Europe, Western--Congresses.
Scandinavia--Commerce--History--Congresses.
Princeton subject headings:
Europe, Northern--Commerce--History--Congresses.
Europe, Northern--Commerce--Scandinavia--Congresses.
Europe, Western--Commerce--History--Congresses.
Europe, Western--Commerce--Scandinavia--Congresses.
Industries--Europe, Northern--History--Congresses.
Industries--Europe, Western--History--Congresses.
Industries--Scandinavia--History--Congresses.
Scandinavia--Commerce--Europe, Northern--Congresses.
Scandinavia--Commerce--Europe, Western--Congresses.
Scandinavia--Commerce--History--Congresses.