"Minnesota, Death Index, 1908-2002," index, FamilySearch (https://familysearch.org/ark:/61903/1:1:V4H4-LRX : accessed 16 April 2015), Erwin L. Briese, 21 Jul 1976; from "Minnesota, Death Index, 1908-2002," database, Ancestry (http://www.ancestry.com : 2001); citing Olmsted, Minnesota, record 2604998, certificate number 017838, Minnesota Department of Health, Minneapolis.