"United States Census, 1930," Database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X3Z7-M7D : accessed 1 July 2015), Erwin D Tart in household of Francis Tart, Forestville, Fillmore, Minnesota, United States; citing enumeration district (ED) 0013, sheet 3A, family 59, line 27, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1086; FHL microfilm 2,340,821.