Briefwechsel /
Hesse, Hermann,1877-1962.
Humm, Rudolf Jakob1895-
Michels, Ursula.
Michels, Volker.
Frankfurt am Main Suhrkamp
1977
Includes bibliographical references and index
Hesse, Hermann, 1877-1962
Humm, Rudolf Jakob 1895-
Authors, German
Authors, Swiss