Columbia subject headings:
Art--Conservation and restoration--Italy--Umbria.
Church buildings--Earthquake effects--Italy--Umbria.
Earthquakes--Italy--Umbria--History--20th century.
Harvard subject headings:
Art--Conservation and restoration--Italy--Umbria.
Church buildings--Earthquake effects--Italy--Umbria.
Earthquakes--Italy--Umbria--History--20th century.
Princeton subject headings: