Columbia subject headings:
Architecture and society--History--20th century.
Architecture, Modern--20th century.
Architecture--Political aspects--History--20th century.
Architecture--Study and teaching--History--20th century.
Harvard subject headings:
Architecture and society--History--20th century
Architecture, Modern--21st century
Architecture--Political aspects--History--20th century.
Architecture--Study and teaching--History--20th century.
Princeton subject headings:
Architecture and society--History--20th century.
Architecture, Modern--20th century.
Architecture--Political aspects--History--20th century.
Architecture--Study and teaching--History--20th century.