Columbia subject headings:
Harvard subject headings:
Aesthetics, Modern--20th century--Congresses.
Aesthetics--Congresses
Wittgenstein, Ludwig, 1889-1951--Congresses.
Wittgenstein, Ludwig, 1889-1951--Criticism and interpretation--Congresses.
Princeton subject headings:
Aesthetics, Modern--20th century--Congresses.
Wittgenstein, Ludwig, 1889-1951--Criticism and interpretation--Congresses.