Columbia subject headings:
German literature--20th century--History and criticism.
Literature and science.
Literature, Experimental--Germany--History and criticism.
Science in literature.
Harvard subject headings:
German literature--20th century--History and criticism
Literature, Experimental--Germany--History and criticism.
Princeton subject headings:
German literature--20th century--History and criticism.
Literature and science.
Literature, Experimental--Germany--History and criticism.
Science in literature.