Columbia subject headings:
Harvard subject headings:
Archaeology, Medieval--Italy, Northern--Congresses.
Archaeology--Italy, Northern--Congresses.
Italy, Northern--Antiquities--Congresses.
Pottery, Ancient--Italy, Northern--Congresses.
Pottery, Medieval--Italy, Northern--Congresses.
Princeton subject headings:
Pottery, Ancient--Congresses.
Pottery, Medieval--Congresses.