"Michigan, Marriages, 1868-1925," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N3DC-DQN : accessed 15 January 2015), Bert Spoelstra and Gertrude Pell, 21 May 1903; citing Grand Rapids, Kent, Michigan, v 2 p 581 rn 3489, Department of Vital Records, Lansing; FHL microfilm 2,342,664.