↑ ["United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XCDT-R6H : accessed 29 December 2016), Violet R Blackwell in household of John H Blackwell, Riverside, Riverside, California, United States; citing enumeration district (ED) ED 55, sheet 2A, line 47, family 36, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 184; FHL microfilm 2,339,919.]