Columbia subject headings:
Harvard subject headings:
Families--Italy--Sardinia--History--20th century.
Sardinia (Italy)--Rural conditions.
Shepherds--Italy--Sardinia--History--20th century.
Princeton subject headings:
Families--Italy--Sardinia--History--20th century.
Sardinia (Italy)--Rural conditions.
Shepherds--Italy--Sardinia--History--20th century.