Columbia subject headings:
Authors, German--Correspondence.
Hesse, Hermann, 1877-1962--Correspondence.
Schaffner, Jakob, 1875-1944--Correspondence.
Harvard subject headings:
Authors, German--Correspondence
Hesse, Hermann, 1877-1962.--Correspondence.
Schaffner, Jakob, 1875-1944--Correspondence.
Princeton subject headings:
Authors, German--Correspondence.
Hesse, Hermann, 1877-1962. Correspondence.
Schaffner, Jakob, 1875-1944--Correspondence.