Columbia subject headings:
Harvard subject headings:
Bobbio (Italy)--Church history.
Eremo di San Colombano (Bobbio, Italy)--History.
Monasteries--Italy--Bobbio--History.
Princeton subject headings:
Bobbio (Italy)--Church history.
Eremo di San Colombano (Bobbio, Italy)--History.
Monasteries--Italy--Bobbio--History.