Columbia subject headings:
Harvard subject headings:
Historic buildings--Italy--Piacenza.
Piacenza (Italy)--Antiquities.
Piacenza (Italy)--Buildings, structures, etc.
Piacenza (Italy)--History.
Urbanization--Italy--Piacenza--History.
Princeton subject headings:
Cities and towns, Ancient--Italy--Case studies.
City planning--Italy--Piacenza.
Piacenza (Italy)--Antiquities.
Piacenza (Italy)--Buildings, structures, etc.
Piacenza (Italy)--Description and travel.