Columbia subject headings:
Cities and towns, Medieval--Italy.
City planning--Italy.
Harvard subject headings:
Cities and towns, Medieval--Italy, Central--History.
City planning--Italy, Central--History.
Urbanization--Italy, Central--History.
Princeton subject headings:
Cities and towns, Medieval--Italy--Italy, Central--History.
Cities and towns--Italy--Italy, Central--Growth--History.
City planning--Italy--Italy, Central--History.