"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VR2W-5BH : accessed 17 January 2016), Elena Maag in household of Ernest Maag, Ward 2, Russell, Russell City, Russell, Kansas, United States; citing enumeration district (ED) 84-16B, sheet 13A, family 282, NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 1257.