Federer, Heinrich
born 6. October 1866 in Brienz; died 29. April 1928 in ZürichBrief von Heinrich Federer an Hans Vaihinger, 23.04.1917 [23.04.1917]
Zürich, 23.04.1917 [23.04.1917]Mann, Thomas
born 6. June 1875 in Lübeck; died 12. August 1955 in ZürichBrief von Thomas Mann an Hans Vaihinger, 29.03.1919 [29.3.19] [29.03.1919]
München, 29.03.1919 [29.3.19] [29.03.1919]Brief von Thomas Mann an Hans Vaihinger, 18.02.1921 [18.2.21] [18.02.1921]
München, 18.02.1921 [18.2.21] [18.02.1921]Brief von Thomas Mann an Hans Vaihinger, 12.10.1931 [12.10.31] [12.10.1931]
München, 12.10.1931 [12.10.31] [12.10.1931]Zahn, Ernst
born 24. January 1867 in Zürich; died 12. February 1952 in Meggen (Kanton Luzern)Brief von Ernst Zahn an Hans Vaihinger, 10.10.1916 [10.10.1916]
Goeschenen, Zürich, 10.10.1916 [10.10.1916]