Columbia subject headings:
Architecture--Brazil--History--20th century.
Architecture--Brazil--History--21st century.
Architecture--Portugal--History--20th century.
Architecture--Portugal--History--21st century.
Guedescruz architects.
Harvard subject headings:
Architecture--Brazil--History--20th century
Architecture--Brazil--History--21st century.
Architecture--Portugal--History--20th century
Architecture--Portugal--History--21st century.
Guedescruz architects.
Princeton subject headings: