"Michigan, Deaths, 1867-1897," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N3XF-G9Z : accessed 2 February 2015), Dirk Van Der Velde, 28 Aug 1886; citing p 67 rn 917, Grand Rapids, Kent, Michigan, Department of Vital Records, Lansing; FHL microfilm 2,363,632.
"United States Census, 1870," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MHH1-VSJ : accessed 2 February 2015), Derk Vandervield, Michigan, United States; citing p. 95, family 742, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,180.