Columbia subject headings:
Internationalism.
Labor movement--Europe, Western--History.
Labor unions--Social aspects--Europe, Western.
Nationalism--Europe, Western.
Harvard subject headings:
Internationalism.
Labor movement--Europe
Labor unions and international relations--Europe.
Labor unions--Europe
Nationalism--Europe
Princeton subject headings:
Internationalism.
Labor movement--Europe.
Labor unions and international relations--Europe.
Labor unions--Europe.
Nationalism--Europe.