Columbia subject headings:
Industrial relations--Italy--Periodicals.
Labor supply--Italy--Periodicals.
Labor unions--Italy--Periodicals.
Working class--Italy--Periodicals.
Harvard subject headings:
Princeton subject headings:
Industrial relations--Italy--Periodicals.
Labor supply--Italy--Periodicals.
Labor unions--Italy--Periodicals.
Periodicals.
Working class--Italy--Periodicals.