"Minnesota, Death Index, 1908-2002," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/V4Q4-199 : accessed 27 Sep 2014), Betty Mae Blair, 18 Sep 1992; citing "Minnesota, Death Index, 1908-2002," Ancestry.com; Hennepin, Minnesota, record 2440064, certificate number 023493, Department of Health, Minneapolis.