Engel, Fritz
born 16. February 1867 in Breslau; died 3. September 1935 in BerlinFederer, 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]Hahn, Victor
born 19. August 1869 in WienBrief von Victor Hahn an Adolf Erman
Hahn, 20.01.1905Holz, Arno
born 26. April 1863 in Rastenburg; died 26. October 1929 in BerlinBrief von Arno Holz an Hans Vaihinger, 05.10.1916 [05.10.1916]
Berlin, 05.10.1916 [05.10.1916]Brief von Arno Holz an Hans Vaihinger, 23.10.1916 [23.10.1916]
Berlin, 23.10.1916 [23.10.1916]Brief von Arno Holz an Hans Vaihinger, 17.02.1917 [17.02.1917]
Berlin, 17.02.1917 [17.02.1917]