Philipp Aul and his family are recorded on the 1798 census of Straub in Household No. Sr35.
Philipp Aul, his son Daniel, and son-in-law Philipp Metzler are recorded on the 1811 census of Straub in Household No. 35 along with a note that they relocated to the colony of Neu-Straub [year not recorded].
Philipp Aul and his family are recorded on the 1834 census of Neu-Straub in Household No. 14.
- 1811 Straub Census (Household No. 35).
- 1834 Neu-Straub Census (Household No. 14).
- 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): Sr35.