Columbia subject headings:
Industrial relations--European Economic Community countries.
Labor movement--European Economic Community countries--History.
Labor unions--European Economic Community countries--History.
Working class--European Economic Community countries--History.
Harvard subject headings:
Industrial relations--European Economic Community countries
Labor movement--European Economic Community countries--History.
Labor unions--European Economic Community countries--History.
Princeton subject headings:
Industrial relations--European Economic Community countries.
Labor movement--European Economic Community Countries--History.
Labor unions--European Economic Community Countries--History.