"California, County Marriages, 1850-1952," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K8VH-R5T : 8 December 2017), Lloyd D Vanden Bos and Gertrude Keuning, 24 Mar 1939; citing Los Angeles, California, United States, county courthouses, California; FHL microfilm 2,114,241.