Columbia subject headings:
Engineering--History--20th century.
Modern movement (Architecture)
Nervi, Pier Luigi--Criticism and interpretation.
Harvard subject headings:
Engineering--History--20th century.
Modern movement (Architecture)
Nervi, Pier Luigi--Criticism and interpretation.
Princeton subject headings:
Engineering--History--20th century.
Modern movement (Architecture)
Nervi, Pier Luigi--Criticism and interpretation.