"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9CH-VT5 : accessed 11 January 2018), Sophia Hamblin in household of Geo Hamblin, Magisterial District 4, Pine Mountain & South American Precincts, Whitley, Kentucky, United States; citing enumeration district (ED) 140, sheet 5B, family 94, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,555.