Pietschmann, Richard
born 24. September 1851 in Stettin; died 17. October 1923 in GöttingenBrief von Georg Ebers an Adolf Erman
Leipzig, 15.11.1877Brief von Georg Ebers an Adolf Erman
Leipzig, 30.12.1878Brief von Richard Pietschmann an Adolf Erman
1880 [??.??.1880]