Columbia subject headings:
Design--History--20th century.
Functionalism (Architecture)
Functionalism in art.
Harvard subject headings:
Decorative arts--History--20th century.
Design--History--20th century
Functionalism in art--History--20th century.
Industrial design--History--20th century
Princeton subject headings:
Decorative arts--History--20th century.
Design--History--20th century.
Functionalism in art--History--20th century.
Industrial design--History--20th century.