Columbia subject headings:
Bardi, P. M. (Pietro Maria), 1900-1999.
Harvard subject headings:
Architects--Italy.
Bardi, P. M. (Pietro Maria), 1900-1999--Criticism and interpretation.
Rationalism (Architecture)--Brazil.
Rationalism (Architecture)--Italy.
Princeton subject headings:
Architecture--Italy--History--20th century.
Art, Modern--20th century.
Bardi, P. M. (Pietro Maria), 1900-1999--Criticism and interpretation.