- Archangelsk, 8.3.1842
- Archangelsk, 24.9.1838
- o.O., o.D. [o.D. (ca. 1850er?)]
- Marburg, 22.12.1873
- Sankt Petersburg, 1847-09-18/1847-09-30
- Sankt Petersburg, o.D. [o.D. (ca. 1845?)]
- Sankt Petersburg, 3.5.1845
- Sankt Petersburg, 26.12.1872
- Sankt Petersburg, 22.4.1866
- Sankt Petersburg, 4.12.1841
- Sankt Petersburg, 12.6.1858
- Sankt Petersburg, 15.11.1840
- Sankt Petersburg, 18.1.1851
- Sankt Petersburg, 30.3.1847
- Sankt Petersburg, 30.10.1836