Columbia subject headings:
Harvard subject headings:
Celan, Paul--Criticism and interpretation.
Heidegger, Martin, 1889-1976. Schwarze Hefte
Literature--Philosophy
Poetics--History
Princeton subject headings:
Celan, Paul--Criticism and interpretation.
Heidegger, Martin, 1889-1976. Schwarze Hefte.
Literature--Philosophy.
Poetics--History.