Johannes Birkheim and his family are recorded on the 1798 census of Grimm in Household No. Gm055.
Johann Jakob Birkheim from Franzosen and his family are recorded on the 1857 census of Friedenberg.
- 1857 Friedenberg Census.
- 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): Gm055.