Columbia subject headings:
Architecture--Italy--Bergamo--History--20th century.
Piacentini, Marcello, 1881-1960--Criticism and interpretation.
Harvard subject headings:
Architecture--Italy--Bergamo--History.
Piacentini, Marcello, 1881-1960--Criticism and interpretation.
Princeton subject headings:
Architecture--Italy--Bergamo--History--20th century.
Piacentini, Marcello, 1881-1960--Criticism and interpretation.