Philipp Manase Ephraim is recorded on the 1798 census of Dobrinka in Household No. Db08.
Monzhe (Монже) Ephraim and his family are recorded on the 1834 census of Dobrinka in Household No. 56.
- 1834 Dobrinka Census (Household No. 56).
- 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): Db08.