Columbia subject headings:
Authors, German--20th century--Diaries.
Hauptmann, Gerhart, 1862-1946--Diaries.
Harvard subject headings:
Authors, German--20th century--Diaries
Hauptmann, Gerhart, 1862-1946--Diaries.
Princeton subject headings:
Authors, German--20th century--Diaries.
Diaries.
Hauptmann, Gerhart, 1862-1946--Diaries.