"United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XQ2Z-MQM : accessed 27 September 2022), Myra Mae Alfred in household of Olof F Alfred, Pleasant Home, Polk, Nebraska, United States; citing enumeration district (ED) ED 9, sheet 2A, line 43, family 41, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1291; FHL microfilm 2,341,026.