Columbia subject headings:
Bologna (Italy)--Antiquities.
Etruscans--Italy--Bologna.
Excavations (Archaeology)--Italy--Bologna.
Harvard subject headings:
Bologna (Italy)--Antiquities.
Etruscans--Italy--Bologna.
Excavations (Archaeology)--Italy--Bologna.
Princeton subject headings:
Bologna (Italy)--Antiquities.
Etruscans--Italy--Bologna.
Excavations (Archaeology)--Italy--Bologna.