Columbia subject headings:
Benn, Gottfried, 1886-1956--Knowledge and learning.
Benn, Gottfried, 1886-1956--Philosophy.
Benn, Gottfried, 1886-1956. Aesthetics.
Human evolution.
Natural history.
Psychology.
Harvard subject headings:
Benn, Gottfried, 1886-1956--Aesthetics.
Benn, Gottfried, 1886-1956--Knowledge--Natural history.
Benn, Gottfried, 1886-1956--Knowledge--Psychology.
Benn, Gottfried, 1886-1956--Philosophy.
Human evolution.
Princeton subject headings:
Benn, Gottfried, 1886-1956--Aesthetics.
Benn, Gottfried, 1886-1956--Knowledge--Natural history.
Benn, Gottfried, 1886-1956--Knowledge--Psychology.
Benn, Gottfried, 1886-1956--Philosophy.
Human evolution.