Jachmann, Reinhold Bernhard
born 16. August 1767 in Königsberg; died 28. September 1843 in ThornMertens, Franz Carl
born 3. April 1764 in Bielefeld; died 19. June 1831 in BremenBrief von Paul Heinrich Fuss an Karl Ernst von Baer, 31.08.1829 [31 Aug. 1829]
Sankt Petersburg, 31/08/1829Brief von Paul Heinrich Fuss an Karl Ernst von Baer, 10.01.1831-22.01.1831 [10 / 22 Januar 1831]
Sankt Petersburg, 1831-01-10/1831-01-22Brief von Leopold Voss an Karl Ernst von Baer, 26.05.1831 [26 Mai 1831]
Leipzig, 26/05/1831