Heinrich Walter and his family are recorded on the 1775 census of Norka in Household No. 119.
They are recorded on the 1798 census of Norka in Household No. Nr050.
- 1775 Norka Census (Household No. 119).
- 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): Nr050.