"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MW92-129 : accessed 25 February 2015), Eisse Broekema in household of Roelof Visser, Laketown, Allegan, Michigan, United States; citing enumeration district 6, sheet 132B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0569; FHL microfilm 1,254,569.