"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X3ZQ-9VJ : accessed 22 January 2015), Selma M Trytten in household of Edwin S Trytten, Kiester, Faribault, Minnesota, United States; citing enumeration district (ED) 0018, sheet 2A, family 31, line 49, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1086; FHL microfilm 2,340,821.