Columbia subject headings:
Architecture--Portugal--History--20th century.
Siza, Álvaro, 1933---Criticism and interpretation.
Harvard subject headings:
Architects--Portugal.
Architecture, Modern--20th century--Portugal.
Architecture, Modern--21st century
Siza, Álvaro, 1933-
Princeton subject headings:
Architecture, Modern--20th century--Portugal.
Siza, Álvaro, 1933-