Fechner, Gustav Theodor
born 19. April 1801 in Żarki Wielkie; died 18. November 1887 in LeipzigBrief von Gustav Theodor Fechner an Hans Vaihinger, 10.05.1881
Leipzig ; o.O., 10.05.1881Brief von Gustav Theodor Fechner an Hans Vaihinger, o.D.
ohne Ort, o.D.Focke, Gustav Woldemar
born 24. January 1810 in Bremen; died 1. June 1877 in Bremen