Columbia subject headings:
Architecture and society--Balkan Peninsula--Congresses.
Architecture and society--Italy--Congresses.
Architecture--Balkan Peninsula--Congresses.
Architecture--Italy--Congresses.
Harvard subject headings:
Architecture and society--Balkan Peninsula--Congresses.
Architecture and society--Italy--Congresses.
Architecture--Balkan Peninsula--Congresses.
Architecture--Italy--Congresses.
Princeton subject headings:
Architecture and society--Balkan Peninsula--Congresses.
Architecture and society--Italy--Congresses.
Architecture--Balkan Peninsula--Congresses.
Architecture--Italy--Congresses.