Columbia subject headings:
Harvard subject headings:
Archaeology, Medieval--Italy, Northern--Congresses.
Architecture, Medieval--Italy, Northern--Congresses.
Church architecture--Italy, Northern--Congresses.
Rural churches--Italy, Northern--Congresses.
Princeton subject headings:
Archaeology, Medieval--Italy, Northern--Congresses.
Architecture, Medieval--Italy, Northern--Congresses.
Church architecture--Italy, Northern--Congresses.
Rural churches--Italy, Northern--Congresses.