Columbia subject headings:
Authors, German--20th century--Biography.
Hesse, Hermann, 1877-1962--Friends and associates.
Harvard subject headings:
Authors, German--20th century--Biography
Hesse, Hermann, 1877-1962--Friends and associates.
Princeton subject headings:
Authors, German--20th century--Biography.
Hesse, Hermann, 1877-1962--Friends and associates.