Columbia subject headings:
Harvard subject headings:
Difference (Philosophy)--Congresses.
Hegel, Georg Wilhelm Friedrich, 1770-1831--Congresses.
Wittgenstein, Ludwig, 1889-1951--Congresses.
Princeton subject headings:
Difference (Philosophy)
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Wittgenstein, Ludwig, 1889-1951.