Columbia subject headings:
Architecture, Portuguese.
Architecture--Portugal--History--20th century.
Exhibition buildings--History--20th century.
National characteristics, Portuguese.
Harvard subject headings:
Architecture, Portuguese--History--20th century--Exhibitions.
Architecture--Portugal--20th century.
Architecture--Portugal--Exhibitions.
National characteristics, Portuguese.
Princeton subject headings:
Architecture, Portuguese.
Architecture--Portugal--History--20th century.
Exhibition buildings--History--20th century.
National characteristics, Portuguese.