Briefwechsel - Hesse, Hermann 1877-1962; Humm, Rudolf Jakob 1895-1977 (Suhrkamp, 1977)
Keywords: Hesse, Hermann <1877-1962> -- Correspondence; Humm, Rudolf Jakob <1859-> -- Correspondence; Hesse, Hermann -- 1877-1962; Humm, Rudolf Jakob -- 1895-1977; Geschichte 1900-2000; Authors, German -- 20th century -- Correspondence; Authors, Swiss -- 20th century -- Correspondence; Briefsammlung