Columbia subject headings:
Civilization--History--Congresses.
Visual communication in art--Congresses.
Visual communication--History--Congresses.
Harvard subject headings:
Aesthetics, Modern--20th century--Congresses.
Art--Philosophy--Congresses
Culture--History--Congresses.
Visual communication in art--Congresses.
Visual communication--History--Congresses.
Princeton subject headings:
Aesthetics.
Art--Exhibition techniques.
Art--Study and teaching.
Composition (Art)
Proportion (Art)