Columbia subject headings:
Cities and towns--Italy--Emilia-Romagna.
Harvard subject headings:
Architecture--Italy--Emilia-Romagna.
Art, Italian--Italy--Emilia-Romagna.
City planning--Italy--Emilia-Romagna--History.
Princeton subject headings:
Architecture--Italy--Emilia-Romagna.
Cities and towns--Italy--Emilia-Romagna.
City planning--Italy--Emilia-Romagna.
Emilia-Romagna (Italy)--Description and travel.
Urbanization--Italy--Emilia-Romagna.