Columbia subject headings:
Ethics.
Philosophy.
Winch, Peter.
Wittgenstein, Ludwig, 1889-1951.
Harvard subject headings:
Ethics.
Philosophy.
Winch, Peter.
Wittgenstein, Ludwig, 1889-1951
Princeton subject headings:
Ethics.
Philosophy.
Winch, Peter.
Wittgenstein, Ludwig, 1889-1951.