Columbia subject headings:
Brecht, Bertolt, 1898-1956.
Harvard subject headings:
Authors, German--20th century--Diaries
Brecht, Bertolt, 1898-1956
Brecht, Bertolt, 1898-1956--Diaries.
Brecht, Bertolt, 1898-1956--Notebooks, sketchbooks, etc.
Princeton subject headings: