Columbia subject headings:
Collective bargaining--Scandinavia.
Labor unions--Scandinavia.
Scandinavia--Economic conditions.
Harvard subject headings:
Collective bargaining--Scandinavia.
Labor unions--Scandinavia.
Scandinavia--Economic conditions.
Princeton subject headings:
Collective bargaining--Scandinavia.
Labor unions--Scandinavia.
Scandinavia--Economic conditions.