Columbia subject headings:
Industrial relations--Europe.
Labor unions--Europe.
Harvard subject headings:
Industrial relations--Europe
Industrial relations--Europe--Case studies.
Labor market--Europe--Case studies.
Labor unions--Economic aspects--Europe.
Labor unions--Europe
Labor unions--Europe--Case studies.
Labor unions--Europe--Political activity.
Labor unions--Germany
Labor unions--Great Britain
Labor unions--Italy
Labor unions--Social aspects--Europe.
Social classes--Europe--Case studies.
Princeton subject headings:
Industrial relations--Europe.
Labor unions--Europe.