Columbia subject headings:
Etruscans--Italy--Tarquinia--Congresses.
Tarquinia (Italy)--Antiquities--Congresses.
Harvard subject headings:
Etruscans--Italy--Tarquinia--Congresses.
Tarquinia (Italy)--Antiquities--Congresses.
Princeton subject headings:
Etruscans--Italy--Tarquinia.
Tarquinia (Italy)--Antiquities.