Columbia subject headings:
Harvard subject headings:
Light and darkness in literature--Congresses.
Shades and shadows in art--Congresses.
Shades and shadows in literature--Congresses.
Shades and shadows--Congresses.
Princeton subject headings:
Art--Themes, motives--Congresses.
Comparative literature--Themes, motives--Congresses.
Light and darkness in literature--Congresses.
Light in art--Congresses.
Shades and shadows in art--Congresses.
Shades and shadows in literature--Congresses.