Columbia subject headings:
Romans--Italy--Sardinia--History.
Sardinia (Italy)--History--456-1297.
Sardinia (Italy)--History--To 456.
Harvard subject headings:
Romans--Italy--Sardinia--History.
Romans--Italy--Sardinia.
Sardinia (Italy)--History--456-1297.
Sardinia (Italy)--History--To 456.
Princeton subject headings:
Romans--Italy--Sardinia.
Sardinia (Italy)--History--To 456.