Columbia subject headings:
Architecture, Romanesque--Italy--Basilicata.
Architecture, Romanesque--Italy--Calabria.
Church architecture--Italy--Basilicata.
Church architecture--Italy--Calabria.
Harvard subject headings:
Architecture, Romanesque--Italy--Basilicata.
Architecture, Romanesque--Italy--Calabria.
Church architecture--Italy--Basilicata.
Church architecture--Italy--Calabria.
Princeton subject headings: