Columbia subject headings:
Harvard subject headings:
Italy--Civilization--476-1268.
Roads--Italy--Emilia-Romagna--History.
Roads--Italy--Lombardy--History.
Strada di Francia (Italy and France)
Princeton subject headings:
Italy--Civilization--476-1268.
Roads--Italy--Emilia-Romagna--History.
Roads--Italy--Lombardy--History.
Strada di Francia (Italy and France)