Columbia subject headings:
Architectural drawing--Portugal--20th century--Exhibitions.
Architecture--Portugal--History--20th century--Exhibitions.
Siza, Álvaro, 1933-
Siza, Álvaro, 1933---Exhibitions.
Harvard subject headings:
Architectural drawing--Portugal--20th century--Exhibitions.
Architecture--Portugal--20th century--Exhibitions.
Siza, Álvaro, 1933-
Siza, Álvaro, 1933---Exhibitions.
Princeton subject headings:
Architectural drawing--Portugal--20th century.--Exhibitions.
Architecture--Portugal--20th century--Exhibitions.
Siza, Álvaro, 1933-
Siza, Álvaro, 1933---Exhibitions.