Columbia subject headings:
Catholic church buildings--Italy--Civita Castellana.
Catholic church buildings--Italy--Lazio.
Church architecture--Italy--Civita Castellana.
Church architecture--Italy--Lazio.
Civita Castellana (Italy)--Church history.
Lazio (Italy)--Church history.
Harvard subject headings:
Architecture, Medieval--Italy--Civita Castellana.
Church buildings--Italy--Civita Castellana.
Princeton subject headings:
Architecture, Medieval--Italy--Civita Castellana Region.
Church architecture--Italy--Civita Castellana Region.