"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VBVQ-WLW : accessed 12 December 2015), Walter West, Cox City, Harrison Township, Grady, Oklahoma, United States; citing enumeration district (ED) 26-20, sheet 4B, family 82, NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 3295.