Columbia subject headings:
Bergamo (Italy)--History.
Urbanization--Italy--Bergamo--History.
Harvard subject headings:
Architecture--Italy--Bergamo.
Bergamo (Italy)--History.
City planning--Italy--Bergamo.
Urbanization--Italy--Bergamo--History.
Princeton subject headings:
Architecture--Italy--Bergamo.
Bergamo (Italy)--History.
Urbanization--Italy--Bergamo.