Columbia subject headings:
Authors, German--20th century--Aesthetics.
Authors, German--20th century--Books and reading.
Influence (Literary, artistic, etc.)
Literature--History and criticism.
Harvard subject headings:
Aesthetics, German--20th century.
Authors, German--20th century--Books and reading.
Influence (Literary, artistic, etc.)
Literature--History and criticism
Princeton subject headings:
Authors, German--20th century--Books and reading.
Authors, German--20th century.
Authors, German--Intellectual life--20th century.
Influence (Literary, artistic, etc.)