Columbia subject headings:
Authors, German--20th century--Correspondence.
Commercial correspondence.
Hesse, Hermann, 1877-1962--Correspondence.
Kantonsbibliothek (Vadiana) St. Gallen.
Harvard subject headings:
Authors, German--20th century--Correspondence
Commercial correspondence
Hesse, Hermann, 1877-1962. Correspondence.
Kantonsbibliothek (Vadiana) St. Gallen.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Commercial correspondence.
Hesse, Hermann, 1877-1962. Correspondence.
Kantonsbibliothek (Vadiana) St. Gallen.
Personal correspondence.