Drobisch, Moritz Wilhelm
born 16. August 1802 in Leipzig; died 30. September 1896 in LeipzigBrief von Moritz Wilhelm Drobisch an Hans Vaihinger, o.D. [o.D.]
o.O., o.D. [o.D.]Engelmann, Wilhelm
born 1. August 1808 in Lemgo; died 23. December 1878 in LeipzigBrief von Wilhelm Engelmann und Rudolf Engelmann an Adolf Erman
Leipzig, 21.12.1877Brief von Rudolf Engelmann und Wilhelm Engelmann an Adolf Erman
Leipzig, 31.05.1878Fechner, 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.