Johann Keller and his wife are recorded on the 1798 census of Reinwald in Household No. Rw56.
Johann Keller is recorded on the 1811 census or Reinwald in Household No. 56 along with a note that he relocated to the colony of Schwed in 1801.
Johann Keller from Reinwald is recorded on the 1811 census of Schwed in Household No. 26.
- 1811 Reinwald Census (Household No. 56).
- 1811 Schwed Census (Household No. 26).
- 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): Rw56.