"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M8SN-L42 : accessed 28 January 2015), Bernard Konst in household of Andrew Konst, Ottawa, Putnam, Ohio, United States; citing enumeration district 136, sheet 378A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1060; FHL microfilm 1,255,060.