Columbia subject headings:
Harvard subject headings:
Heidegger, Martin, 1889-1976--Criticism and interpretation--Congresses.
Heidegger, Martin, 1889-1976. Beiträge zur Philosophie--Congresses.
Princeton subject headings:
Heidegger, Martin, 1889-1976--Congresses.
Philosophy, German--Congresses.