↑ "United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/VBVD-69J : accessed 20 Mar 2013), F B Gourley, Ward 3, Ponca City, Ponca City, Kay, Oklahoma, United States; citing enumeration district (ED) 36-35, sheet 7A, family 142, NARA digital publication T627, roll 3301.
