Columbia subject headings:
Harvard subject headings:
Cities and towns--Early works to 1800.
Cities and towns--Italy--Early works to 1800.
Sociology, Urban--Early works to 1800.
Urban economics--Early works to 1800.
Princeton subject headings:
Cities and towns--Early works to 1800.
Cities and towns--Italy--Early works to 1800.
Sociology, Urban--Early works to 1800.
Urban economics--Early works to 1800.