Columbia subject headings:
Architecture and state--Portugal--History--20th century.
Architecture--Political aspects--Portugal--History--20th century.
Power (Social sciences)--Portugal--History--20th century.
Symbolism in architecture--Portugal--History--20th century.
Harvard subject headings:
Architecture and state--Portugal--History--20th century.
Architecture--Political aspects--Portugal--History--20th century.
City planning--Political aspects--Portugal--History--20th century.
Portugal--Politics and government--1933-1974
Power (Social sciences)--Portugal--History--20th century.
Symbolism in architecture--Portugal--History--20th century.
Princeton subject headings:
Architecture and state--Portugal--History--20th century.
Architecture--Political aspects--Portugal--History--20th century.
Power (Social sciences)--Portugal--History--20th century.
Symbolism in architecture--Portugal--History--20th century.