"Texas Birth Index, 1903-1997," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V8WZ-7SS : 5 December 2014), Vernon Rae Richardson, 21 Jan 1939; from "Texas Birth Index, 1903-1997," database and images, Ancestry (http://www.ancestry.com : 2005); citing Texas Department of State Health Services.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KWJH-1KV : accessed 13 November 2017), Vernon R Richardson in household of John G Richardson, Justice Precinct 3, Cherokee, Texas, United States; citing enumeration district (ED) 37-16, sheet 11B, line 72, family 212, 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 4005.