Columbia subject headings:
Currency question--Scandinavia.
Scandinavia--Commercial policy.
Scandinavia--Economic conditions.
World War, 1914-1918--Economic aspects--Scandinavia.
Harvard subject headings:
Currency question--Scandinavia.
Scandinavia--Commercial policy.
Scandinavia--Economic conditions.
World War, 1914-1918--Economic aspects--Scandinavia.
Princeton subject headings:
Currency question--Scandinavia.
Scandinavia--Commercial policy.
Scandinavia--Economic conditions.
World War, 1914-1918--Economic aspects--Scandinavia.