Columbia subject headings:
Art--Study and teaching--History--Congresses.
Communication in art--History--Congresses.
Harvard subject headings:
Aesthetics, Modern--20th century.
Aesthetics--20th century--History--Congresses.
Art, Modern--20th century--History
Art, Modern--20th century--History--Congresses.
Princeton subject headings:
Aesthetics, Modern--20th century.
Art, Modern--20th century--History.