Columbia subject headings:
Art--Italy--Naples--History--Congresses.
Cultural property--Italy--Naples--History--Congresses.
Naples (Italy)--Antiquities--Congresses.
Harvard subject headings:
Cultural property--Protection--Italy--Naples--History--Congresses.
Cultural property--Protection--Law and legislation--Italy--Naples--History--Congresses.
Naples (Italy)--Civilization--19th century.
Naples Region (Italy)--Antiquities--Collection and preservation--History--Congresses.
Princeton subject headings:
Art--Italy--Naples--History--Congresses.
Cultural property--Italy--Naples--History--Congresses.
Naples (Italy)--Antiquities--Congresses.