*"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JY41-922 : 19 May 2014), Julian Jackson, Apr 1969; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K46J-QQ4 : 29 July 2019), Lavall Jackson in household of Julian L Jackson, Statesburg Township, Sumter, South Carolina, United States; citing enumeration district (ED) 43-25, sheet 1B, line 54, family 10, 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 3841.
"United States Public Records, 1970-2009," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QJZR-9KGX : 23 May 2014), Julian L Jackson, Residence, Horatio, South Carolina, United States; a third party aggregator of publicly available information.
"South Carolina Deaths, 1915-1965," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N9VM-2MT : 5 April 2018), Julius Jackson, 14 Aug 1937; citing , Jackson, Julius, 1937, Department of Archives and History, State Records Center, Columbia; FHL microfilm 1,943,845.