Columbia subject headings:
Art appreciation.
Composition (Art)
Visual perception.
Harvard subject headings:
Art appreciation
Art--Philosophy
Art--Study and teaching
Composition (Art)
Itten, Johannes, 1888-1967--Aesthetics.
Itten, Johannes, 1888-1967--Views on art.
Visual perception.
Princeton subject headings:
Art--Philosophy.
Art--Study and teaching.
Itten, Johannes, 1888-1967.