"Michigan, Deaths, 1867-1897," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N3D1-2B9 : accessed 5 March 2015), Christopher Sofft, 03 Aug 1870; citing p 69 rn 910, Kalamazoo, Kalamazoo, Michigan, Department of Vital Records, Lansing; FHL microfilm 2,363,449.