Columbia subject headings:
Architecture, Medieval--Italy--Calabria.
Castles--Italy--Calabria.
Church architecture--Italy--Calabria.
Fortification--Italy--Calabria.
Harvard subject headings:
Architecture, Medieval--Italy--Calabria.
Architecture--Italy--Calabria.
Castles--Italy--Calabria.
Church architecture--Italy--Calabria.
Princeton subject headings:
Architecture, Medieval--Italy--Calabria.
Architecture--Italy--Calabria.
Castles--Italy--Calabria.
Church architecture--Italy--Calabria.