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