Columbia subject headings:
Harvard subject headings:
Collective memory--Italy--Rome--Congresses.
Public spaces--Rome--Congresses.
Rome (Italy)--Church history--Congresses.
Rome (Italy)--History--To 476--Congresses.
Rome--History--Empire, 30 B.C.-476 A.D.--Congresses.
Princeton subject headings:
Architecture--Italy--Rome--Congresses.
Collective memory--Italy--Rome--Congresses.
Public spaces--Rome--Congresses.
Rome (Italy)--Church history--Congresses.
Rome (Italy)--History--To 476--Congresses.
Rome--History--Empire, 30 B.C.-476 A.D.--Congresses.