"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8S4-NRZ : 12 August 2017), Clara Huffman in household of Andrew Huffman, Dresden, Muskingum, Ohio, United States; citing enumeration district ED 161, sheet 149C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1054; FHL microfilm 1,255,054.
"Ohio Deaths, 1908-1953," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XZDP-RNB : 8 December 2014), Clara May Hoffman, 06 Mar 1937; citing Zanesville, Muskingum, Ohio, reference fn 20798; FHL microfilm 2,023,494.