Columbia subject headings:
Harvard subject headings:
Authors, German--20th century--Biography
Celan, Paul--Criticism and interpretation.
Celan, Paul--Poetry.
Melancholy in literature.
Princeton subject headings:
Celan, Paul--Criticism and interpretation.
Celan, Paul--Mental health.
Celan, Paul--Psychology.
Melancholy in literature.
Melancholy.
Paranoia.
Psychoanalysis and literature.