Columbia subject headings:
Wittgenstein, Ludwig, 1889-1951--Aesthetics.
Wittgenstein, Ludwig, 1889-1951--Ethics.
Harvard subject headings:
Wittgenstein, Ludwig, 1889-1951--Aesthetics.
Wittgenstein, Ludwig, 1889-1951--Ethics.
Princeton subject headings:
Wittgenstein, Ludwig, 1889-1951--Aesthetics.
Wittgenstein, Ludwig, 1889-1951--Ethics.