Columbia subject headings:
Cave churches--Italy--Olevano sul Tusciano.
Church buildings--Italy--Olevano sul Tusciano.
Mural painting and decoration, Italian--Italy--Olevano sul Tusciano.
Mural painting and decoration, Medieval--Italy--Olevano sul Tusciano.
San Michele Cave (Italy)
Harvard subject headings:
Church buildings--Italy--Olevano sul Tusciano.
Mural painting and decoration, Medieval--Italy--Olevano sul Tusciano.
San Michele Cave (Italy)
Princeton subject headings:
Cave churches--Italy--Olevano sul Tusciano.
Church buildings--Italy--Olevano sul Tusciano.
Mural painting and decoration, Italian--Italy--Olevano sul Tusciano.
Mural painting and decoration, Medieval--Italy--Olevano sul Tusciano.
San Michele Cave (Italy).