Columbia subject headings:
Benn, Gottfried, 1886-1956--Knowledge and learning.
Science.
Harvard subject headings:
Benn, Gottfried, 1886-1956--Criticism and interpretation.
Benn, Gottfried, 1886-1956--Knowledge and learning.
German literature--20th century--History and criticism
Princeton subject headings:
Benn, Gottfried, 1886-1956--Knowledge and learning.
Benn, Gottfried, 1886-1956--Knowledge--Science.