"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGZC-4SK : accessed 1 October 2022), Katie K Zook in household of Lydia P Zook, East Lampeter, Lancaster, Pennsylvania, United States; citing enumeration district (ED) ED 56, sheet 1B, family 13, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1354; FHL microfilm 1,375,367.
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