Columbia subject headings:
Architecture--Argentina--History--19th century.
Architecture--Argentina--History--20th century.
Architecture--Italy--History--19th century.
Architecture--Italy--History--20th century.
Building, Iron and steel--Argentina.
Building, Iron and steel--Italy.
Reinforced concrete construction--Argentina.
Reinforced concrete construction--Italy.
Harvard subject headings:
Architecture--Argentina--History--19th century.
Architecture--Argentina--History--20th century
Architecture--Italy--History--19th century.
Architecture--Italy--History--20th century
Building, Iron and steel--Argentina.
Building, Iron and steel--Italy.
Reinforced concrete construction--Argentina.
Reinforced concrete construction--Italy.
Princeton subject headings:
Architecture--Argentina--History--19th century.
Architecture--Argentina--History--20th century.
Architecture--Italy--History--19th century.
Architecture--Italy--History--20th century.
Building, Iron and steel--Argentina.
Building, Iron and steel--Italy.
Reinforced concrete construction--Argentina.
Reinforced concrete construction--Italy.