Columbia subject headings:
Cave churches--Italy--Matera (Province)
Mural painting and decoration--Italy--Matera (Province)
Harvard subject headings:
Cave churches--Italy--Matera (Province)--Catalogs.
Mural painting and decoration--Italy--Matera (Province)--Catalogs.
Princeton subject headings:
Cave churches--Italy--Matera (Province).
Mural painting and decoration--Italy--Matera (Province).