Columbia subject headings:
Harvard subject headings:
Christian art and symbolism--Italy, Southern--Medieval, 500-1500--Congresses.
Dioceses--Italy--Sicily--History--To 1500--Congresses.
Italy, Southern--Church history--Congresses.
Princeton subject headings:
Christian art and symbolism--Italy, Southern--Medieval, 500-1500--Congresses.
Dioceses--Italy--Sicily--History--To 1500--Congresses.
Italy, Southern--Church history--Congresses.