"Michigan, Death Certificates, 1921-1952," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KF3G-K67 : accessed 13 July 2015), Clara Rosena Vyn, 31 Jul 1945; citing Grand Rapids, Kent, Michigan, United States, Division for Vital Records and Health Statistics, Lansing; FHL microfilm 1,972,829.