Columbia subject headings:
Harvard subject headings:
Authors, German--20th century--Correspondence
Hesse, Hermann, 1877-1962.--Correspondence.
Painters--Switzerland--Biography.
Sturzenegger, Hans.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Hesse, Hermann, 1877-1962. Correspondence.
Painters--Switzerland--Biography.
Sturzenegger, Hans.