Columbia subject headings:
Heidegger, Martin, 1889-1976--Criticism and interpretation.
Phenomenology.
Technology--Philosophy.
Harvard subject headings:
Heidegger, Martin, 1889-1976--Congresses.
Metaphysics--Congresses
Technology--Philosophy--Congresses
Princeton subject headings:
Heidegger, Martin, 1889-1976--History and criticism.