Columbia subject headings:
Art patronage--Italy--Lazio--History--Congresses.
Art patronage--Italy--Rome--History--Congresses.
Art--Italy--Lazio--Congresses.
Art--Italy--Rome--Congresses.
Nobility--Italy--Lazio--History--Congresses.
Nobility--Italy--Rome--History--Congresses.
Harvard subject headings:
Art patronage--Italy--Lazio--History--Congresses.
Art patronage--Italy--Rome--History--Congresses.
Art--Italy--Lazio--Congresses.
Art--Italy--Rome--Congresses.
Nobility--Italy--Lazio--History--Congresses.
Nobility--Italy--Rome--History--Congresses.
Princeton subject headings:
Art patronage--Italy--Lazio--History--Congresses.
Art patronage--Italy--Rome--History--Congresses.
Art--Italy--Lazio--Congresses.
Art--Italy--Rome--Congresses.
Nobility--Italy--Lazio--History--Congresses.
Nobility--Italy--Rome--History--Congresses.