"United States Census, 1940," Database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KQHZ-DKM : accessed 28 June 2015), Lawson F Walters, Farmington Township, Clarion, Pennsylvania, United States; citing enumeration district (ED) 16-11, sheet 8A, family 142, NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 3468.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J273-JMG : 20 May 2014), Walter Walter, Jul 1983; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing). https://www.findagrave.com/memorial/111017287/walter-l_-walter
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