Columbia subject headings:
Logical positivism--Congresses.
Rationalism--Congresses.
Wittgenstein, Ludwig, 1889-1951--Congresses.
Harvard subject headings:
Logical positivism--Congresses.
Rationalism--Congresses.
Wittgenstein, Ludwig, 1889-1951--Congresses.
Princeton subject headings:
Logical positivism--Congresses.
Rationalism--Congresses.
Wittgenstein, Ludwig, 1889-1951--Congresses.