Kaspar Will and his family are recorded on the 1798 census of Bangert in Household No. Bg17.
The death of Kaspar Will in 1800 is recorded on the 1811 census of Bangert in Household No. 17.
- 1811 Bangert Census (Household No. 17).
- 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): Bg17.