Columbia subject headings:
Harvard subject headings:
Eye in literature--Congresses.
Eye--Symbolic aspects--Congresses.
Facial expression in art--Congresses.
Perspective in literature--Congresses.
Vision in literature--Congresses.
Visual perception in literature--Congresses.
Visualization in literature--Congresses.
Princeton subject headings:
Eye in literature--Congresses.
Eye--Symbolic aspects--Congresses.
Facial expression in art--Congresses.
Perspective in literature--Congresses.
Vision in literature--Congresses.
Visual perception in literature--Congresses.
Visualization in literature--Congresses.