"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K7PH-MVN : accessed 28 June 2018), Fred Curtis Thompson, Ward 3, Rockmart, Militia District 1072, Polk, Georgia, United States; citing enumeration district (ED) 115-3, sheet 8A, line 5, family 155, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 702.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V9MY-1ZD : 19 May 2014), Fred C Thompson, 15 Nov 1987; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
Find A Grave, database and images (https://www.findagrave.com : accessed 28 June 2018), memorial page for Fred Curtis Thompson (29 Jun 1910–15 Nov 1987), Find A Grave Memorial no. 57092624, citing Hollywood Cemetery, Tallapoosa, Haralson County, Georgia, USA ; Maintained by A. Benefield (contributor 47213869) .