Columbia subject headings:
Etruria--Antiquities--Collection and preservation--Congresses.
Etruria--Antiquities--Congresses.
Harvard subject headings:
Etruria--Antiquities--Collection and preservation--Congresses.
Etruria--Antiquities--Congresses.
Princeton subject headings:
Art objects--Etruria--Conservation and restoration--Congr.
Etruria--Antiquities--Congresses.