Columbia subject headings:
Wittgenstein, Ludwig, 1889-1951--Exhibitions.
Wittgenstein, Ludwig, 1889-1951--Family--Exhibitions.
Wittgenstein, Ludwig, 1889-1951--Friends and associates--Exhibitions.
Harvard subject headings:
Wittgenstein, Ludwig, 1889-1951--Exhibitions.
Wittgenstein, Ludwig, 1889-1951--Family--Exhibitions.
Wittgenstein, Ludwig, 1889-1951--Friends and associates--Exhibitions.
Wittgenstein, Ludwig, 1889-1951--Philosophy.
Princeton subject headings:
Wittgenstein, Ludwig, 1889-1951--Exhibitions.
Wittgenstein, Ludwig, 1889-1951--Family--Exhibitions.
Wittgenstein, Ludwig, 1889-1951--Friends and associates--Exhibitions.