Heinrich Bernhardt is recorded on the 1798 census of Moor in Household No. Mo68.
Jakob Bernhardt from Moor is recorded on the 1798 census of Galka in Household No. Gk39.
- 1834 Galka Census (Household No. 91).
- 1857 Galka Census (Household No. 98).
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Gk39, Mo68.