Columbia subject headings:
Harvard subject headings:
Experience--Congresses.
Knowledge, Theory of--Congresses
Life--Congresses
Philosophy, Modern--20th century--Congresses.
Wittgenstein, Ludwig, 1889-1951--Congresses.
Princeton subject headings:
Experience--Congresses.
Life--Congresses.
Wittgenstein, Ludwig, 1889-1951--Congresses.