Columbia subject headings:
Harvard subject headings:
Ecology in literature.
End of the world in literature.
Enzensberger, Hans Magnus--Criticism and interpretation.
German literature--20th century--History and criticism
Princeton subject headings:
Apocalypse in literature.
Ecology in literature.
Enzensberger, Hans Magnus--Poetic works.
Enzensberger, Hans Magnus--Prose.
Technology in literature.