Columbia subject headings:
Castles--Italy--Abruzzo.
Castles--Italy--Molise.
Historic buildings--Italy--Abruzzo.
Historic buildings--Italy--Molise.
Harvard subject headings:
Princeton subject headings:
Castles--Italy--Abruzzo.
Castles--Italy--Molise.
Historic buildings--Italy--Abruzzo.
Historic buildings--Italy--Molise.