Columbia subject headings:
Abruzzo (Italy)--History.
Land tenure--Italy--Abruzzo--History.
Power (Social sciences)--Italy--Abruzzo.
Harvard subject headings:
Abruzzo (Italy)--History.
Land tenure--Italy--Abruzzo--History.
Power (Social sciences)--Italy--Abruzzo.
Princeton subject headings:
Abruzzo (Italy)--History.
Karol family.
Land tenure--Italy--Abruzzo--History.