Columbia subject headings:
Harvard subject headings:
Law--Italy--History--19th century.
Law--Italy--History--20th century.
Political science--Italy--History--20th century
Political science--Italy--Philosophy--History--19th century.
Princeton subject headings:
Law--Italy--Philosophy--History--19th century.
Law--Italy--Philosophy--History--20th century.
Political science--Italy--Philosophy--History--19th century.
Political science--Italy--Philosophy--History--20th century.