Columbia subject headings:
Harvard subject headings:
Benn, Gottfried, 1886-1956--Criticism and interpretation.
Celan, Paul--Criticism and interpretation.
Civilization, Modern, in literature.
Dialogue.
German poetry--History and criticism
Language and languages in literature.
Monologue.
Oliver, José F. A., 1961---Criticism and interpretation.
Princeton subject headings:
Benn, Gottfried, 1886-1956--Criticism and interpretation.
Celan, Paul--Criticism and interpretation.
Civilization, Modern, in literature.
Dialogue.
German poetry--History and criticism.
Language and languages in literature.
Monologue.
Oliver, José F. A., 1961---Criticism and interpretation.