"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZPG-QSH : 12 April 2016), Sarah Kemmerer in household of Christ Kemmerer, Pennsylvania, United States; citing p. 34, family 286, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,861.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWN7-PZB : 16 July 2017), Sarah Kammerer in household of Christian Kammerer, Hanover, Lehigh, Pennsylvania, United States; citing enumeration district ED 210, sheet 671A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1148; FHL microfilm 1,255,148.
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