Columbia subject headings:
Authors, German--20th century--Biography.
Mann, Thomas, 1875-1955--Diaries.
Harvard subject headings:
Authors, German--20th century--Biography
Mann, Thomas, 1875-1955--Diaries.
Princeton subject headings:
Mann, Thomas, 1875-1955--Diaries.
Novelists, German--20th century--Diaries.