Columbia subject headings:
Byzantine antiquities--Congresses.
Italy, Southern--Antiquities--Congresses.
Rome--Antiquities--Congresses.
Harvard subject headings:
Byzantine antiquities--Congresses.
Italy, Southern--Antiquities--Congresses.
Italy, Southern--History--Congresses.
Romania--History--Congresses.
Rome--Antiquities--Congresses.
Princeton subject headings:
Byzantine antiquities--Congresses.
Italy, Southern--Antiquities--Congresses.
Rome--Antiquities--Congresses.