Columbia subject headings:
Architecture, Medieval--Italy--Aquileia--History--Congresses.
Art, Medieval--Italy--Aquileia--Congresses.
Harvard subject headings:
Architecture, Medieval--Italy--Aquileia--Congresses.
Art, Italian--Italy--Aquileia--Congresses.
Art, Medieval--Italy--Aquileia--Congresses.
Art--Italy--Aquileia--Congresses.
Church architecture--Italy--Aquileia--Congresses.
Mosaics--Italy--Aquileia--Congresses.
Princeton subject headings:
Architecture, Medieval--Italy--Aquileia--Congresses.
Art, Italian--Italy--Aquileia--Congresses.
Art, Medieval--Italy--Aquileia--Congresses.