"United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:H51L-76Z : accessed 19 September 2022), William L Perdue, Waxahachie, Ellis, Texas, United States; citing enumeration district (ED) ED 4, sheet 4A, line 42, family 95, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2326; FHL microfilm 2,342,060.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:KWVS-JH3 : 10 January 2021), W Lowe Perdue, Justice Precinct 1, Ellis, Texas, United States; citing enumeration district (ED) 70-6, sheet 7A, line 16, family 162, 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 4026.
"Texas Deaths, 1890-1976," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K3S5-9Q7 : 20 February 2021), William L Perdue, 06 Jan 1968; citing certificate number 02091, State Registrar Office, Austin; FHL microfilm 2,138,886.