Columbia subject headings:
Architecture--Conservation and restoration--Italy--Rome--Congresses.
Architecture--Italy--Rome--History--20th century--Congresses.
Italy--History--1922-1945--Congresses.
Rome (Italy)--Buildings, structures, etc.--Congresses.
World War, 1939-1945--Italy--Rome--Congresses.
Harvard subject headings:
Princeton subject headings:
Architecture--Conservation and restoration--Italy--Rome--Congresses.
Architecture--Italy--Rome--20th century--Congresses.
Italy--History--1922-1945--Congresses.
Rome (Italy)--Buildings, structures, etc.--Congresses.
Rome (Italy)--History--1870-1945--Congresses.
World War, 1939-1945--Italy--Rome--Congresses.