Columbia subject headings:
Cultural property--Protection--Italy--Congresses.
Excavations (Archaeology)--Protection--Italy--Congresses.
Historic preservation--Italy--Congresses.
Historic sites--Conservation and restoration--Italy--Congresses.
Historic sites--Law and legislation--Italy--Congresses.
Monuments--Conservation and restoration--Italy--Congresses.
Harvard subject headings:
Princeton subject headings:
Antiquities--Collection and preservation--Congresses.
Archaeology--Methodology--Congresses.
Cultural property--Protection--Congresses.
Historic buildings--Conservation and restoration--Congresses.
Historic sites--Management--Congresses.