Bolzani, Iosif
born 18. September 1818 in Berlin; died 13. February 1876 in KasanBrief von Gregor von Helmersen an Karl Ernst von Baer, 1868 [o.D. (nach 19.2.1868)]
Sankt Petersburg, 1868Brief von Otto Wilhelm von Struve an Karl Ernst von Baer, 16.04.1868-17.05.1868 [1868 April 16 (PS: Apr. 17.)]
Pulkowo, 1868-04-16/1868-05-17Euler, Johann Albrecht
born 27. November 1734 in Sankt Petersburg; died 17. September 1800 in Sankt PetersburgBrief von Johann Heinrich Gregoriev an Karl Ernst von Baer, 13.10.1831 [13 Octobr 31]
Königsberg, 13/10/1831Euler, Leonhard
born 15. April 1707 in Basel; died 18. September 1783 in Sankt PetersburgBrief von Paul Heinrich Fuss an Karl Ernst von Baer, 1843 [20 September o.J. (1843?)]
Sankt Petersburg, 1843Brief von Leopold von Schrenck an Karl Ernst von Baer, 1872 [o.D. (ca. 1872)]
Sankt Petersburg, 1872Fuss, Paul Heinrich
born 21. May 1798 in Sankt Petersburg; died 10. January 1855 in Sankt PetersburgBrief von Paul Heinrich Fuss an Karl Ernst von Baer, 18.02.1827-02.03.1827 [18 Febr / 2 März 1827]
Sankt Petersburg, 1827-02-18/1827-03-02Brief von Paul Heinrich Fuss an Karl Ernst von Baer, 29.10.1827-10.11.1827 [29 Oct / 10 Nov. 1827]
Sankt Petersburg, 1827-10-29/1827-11-10Brief von Karl Bernhard von Trinius an Karl Ernst von Baer, 17.12.1827-29.12.1827 [17/29. Dec. 1827 (Poststempel: MEMEL 2. IANR.)]
Sankt Petersburg, 1827-12-17/1827-12-29Somov, Josif Ivanovič
born 13. June 1815; died 8. May 1876 in Sankt PetersburgBrief von Josif Ivanovič Somov an Karl Ernst von Baer, 04.06.1864 [4 juin 1864]
Sankt Petersburg, 04/06/1864