Michael Wunder is recorded on the 1798 census of Moor in Household No. Mo23. His sons are recorded there in Households No. Mo03 & Mo56.
- 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): Mo03, Mo23, Mo56.