Columbia subject headings:
Architecture, Roman--Italy, Northern--Congresses.
Cities and towns, Ancient--Italy, Northern--Congresses.
Cities and towns, Medieval--Italy, Northern--Congresses.
City planning--Italy, Northern--Congresses.
Italy, Northern--Civilization--Congresses.
Urbanization--Italy, Northern--Congresses.
Harvard subject headings:
Architecture, Roman--Italy, Northern--Congresses.
Cities and towns, Ancient--Italy, Northern--Congresses.
Cities and towns, Medieval--Italy, Northern--Congresses.
City planning--Italy, Northern--Congresses.
Italy, Northern--Antiquities, Roman--Congresses.
Italy, Northern--Civilization--Congresses.
Urbanization--Italy, Northern--Congresses.
Princeton subject headings:
Cities and towns, Ancient--Italy, Northern--Congresses.
Cities and towns, Medieval--Italy, Northern--Congresses.
Italy, Northern--Antiquities, Roman--Congresses.