Columbia subject headings:
Social classes--Political aspects--Italy--History--20th century.
Social classes--Political aspects--Italy--History--21st century.
Voting--Italy--History--20th century.
Voting--Italy--History--21st century.
Harvard subject headings:
Social classes--Political aspects--Italy--History--20th centruy.
Social classes--Political aspects--Italy--History--21st century.
Voting--Italy--History--20th century.
Voting--Italy--History--21st century.
Princeton subject headings:
Social classes--Political aspects--Italy--History--20th centruy.
Social classes--Political aspects--Italy--History--21st century.
Voting--Italy--History--20th century.
Voting--Italy--History--21st century.