Columbia subject headings:
Aesthetics--Congresses.
Wittgenstein, Ludwig, 1889-1951--Congresses.
Harvard subject headings:
Aesthetics in literature--Congresses.
Aesthetics--Congresses
Aesthetics--History--Congresses.
Art--Philosophy--Congresses
Wittgenstein, Ludwig, 1889-1951--Congresses.
Princeton subject headings:
Aesthetics--Congresses.