↑ "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:HYXL-JW2 : accessed 24 August 2020), Winona Hamman in household of Rudolph J Olson, Precinct 1, Grayson, Texas, United States; citing enumeration district (ED) ED 15, sheet 13B, line 52, family 14, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2337; FHL microfilm 2,342,071.
↑ "United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JYRK-9YF : 22 August 2020), Winona Maxwell, 24 Dec 2001; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).