Columbia subject headings:
Harvard subject headings:
Amphitheaters--Italy--Imola.
Architecture, Roman--Italy--Imola.
Excavations (Archaeology)--Italy--Imola.
Lost architecture--Italy--Imola.
Princeton subject headings:
Amphitheaters--Italy--Imola.
Imola (Italy)--Antiquities, Roman.
Lost architecture--Italy--Imola.