Columbia subject headings:
Architecture, Modern--20th century.
Art, Modern--20th century.
Avant-garde (Aesthetics)--History--20th century.
Harvard subject headings:
Architecture, Modern--21st century
Art, Modern--20th century
Avant-garde (Aesthetics)--History--20th century.
Princeton subject headings:
Architecture, Modern--20th century.
Art, Modern--20th century.
Avant-garde (Aesthetics)--History--20th century.