"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MW34-THM : accessed 9 February 2015), Tjie Tcheatema, Olive, Ottawa, Michigan, United States; citing enumeration district 243, sheet 460C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0601; FHL microfilm 1,254,601.