"Texas, Death Index, 1964-1998," index, FamilySearch (accessed 06 Mar 2014), Terry Archer Welch, 22 Nov 1988; citing Texas Department of State Health Services, Austin,Texas. (页面存档备份,存于互联网档案馆)
"Texas, Death Index, 1964-1998," index, FamilySearch (accessed 06 Mar 2014), Terry Archer Welch, 22 Nov 1988; citing Texas Department of State Health Services, Austin,Texas. (页面存档备份,存于互联网档案馆)