Columbia subject headings:
Heidegger, Martin, 1889-1976--Criticism and interpretation.
Husserl, Edmund, 1859-1938--Criticism and interpretation.
Phenomenology.
Harvard subject headings:
Heidegger, Martin, 1889-1976
Husserl, Edmund, 1859-1938
Phenomenology--History.
Princeton subject headings:
Heidegger, Martin, 1889-1976.
Husserl, Edmund, 1859-1938.
Phenomenology--History.