"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MW34-7VK : accessed 27 July 2015), Peter Wolt, Polkton, Ottawa, Michigan, United States; citing enumeration district 233, sheet 275B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0600; FHL microfilm 1,254,600.
