Volkszählung 1900:
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MMKR-HCN : accessed 19 January 2020), Hemmersbach in household of S B Hemmersbach, Jefferson township Cashton village, Monroe, Wisconsin, United States; citing enumeration district (ED) 97, sheet 17A, family 299, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,807.