Columbia subject headings:
Literature--History and criticism--Congresses.
Mirrors in literature--Congresses.
Mirrors--Congresses.
Motion pictures--Congresses.
Harvard subject headings:
Mirrors in art.
Mirrors in literature.
Princeton subject headings:
Literature--History and criticism--Congresses.
Mirrors in literature--Congresses.
Mirrors--Congresses.
Motion pictures--Congresses.