"Michigan, Marriages, 1868-1925," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N3KM-89D : accessed 23 December 2014), Henry J. Bouwkamp and Nellie Muste, 19 Oct 1909; citing Grand Rapids, Kent, Michigan, v 3 p 102 rn 4828, Department of Vital Records, Lansing; FHL microfilm 2,342,685.