Engelhardt, Gustav Konrad von
born 27. July 1768 in Estland; died 24. November 1841 in Weißenstein (Regen)Brief von Edouard Ménétriés an Karl Ernst von Baer, 13.07.1830 [13 Juillet 1830]
Kura (Aserbaidschan, Fluss), 13/07/1830Tegeler, Johann Heinrich
born 1807; died 1882Brief von Johann Heinrich Tegeler an Karl Ernst von Baer, o.D. [o.D. (vor 1852)]
Weißenstein [Paide, Estland], o.D. [o.D. (vor 1852)]