Columbia subject headings:
Architecture, Roman--Italy--Bologna.
Bologna (Italy)--Antiquities, Roman.
Excavations (Archaeology)--Italy--Bologna.
Harvard subject headings:
Architecture, Roman--Italy--Bologna.
Bologna (Italy)--Antiquities, Roman.
Excavations (Archaeology)--Italy--Bologna.
Princeton subject headings:
Architecture, Roman--Italy--Bologna.
Bologna (Italy)--Antiquities, Roman.
Excavations (Archaeology)--Italy--Bologna.