Columbia subject headings:
Experience.
Language and languages--Philosophy.
Private language problem.
Wittgenstein, Ludwig, 1889-1951.
Harvard subject headings:
Experience.
Language and languages--Philosophy
Private language problem.
Wittgenstein, Ludwig, 1889-1951
Princeton subject headings:
Experience.
Language and languages--Philosophy.
Private language problem.
Wittgenstein, Ludwig, 1889-1951.